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Matt Nordhoff mnordhoff

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mnordhoff / gist:8e0e3473e5cfc3c037f9530a75b7abeb
Created March 18, 2024 07:32
$ dig +nssearch int
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030132 3600 1800 604800 3600 from server 137.39.1.3 in 0 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 199.43.133.53 in 12 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 199.43.135.53 in 12 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:500:8d::53 in 12 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:500:8f::53 in 12 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 199.43.134.53 in 16 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:500:8e::53 in 48 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:67c:e0::4 in 84 ms.
SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 193.0.9.4 in 88 ms.
@mnordhoff
mnordhoff / gist:9286a264633fc12a262213a8d389f517
Last active February 14, 2024 23:51
$ dpkg -l bind9
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-==================-============-=================================
ii bind9 1:9.18.18-0ubuntu2 amd64 Internet Domain Name Server
$ named -V
BIND 9.18.18-0ubuntu2-Ubuntu (Extended Support Version) <id:>
@mnordhoff
mnordhoff / gist:6ba6fde09244ff26d39f1220f7046eef
Created February 12, 2024 11:47
🔒 ai. 3232 MX 10 mail.offshore.ai.
🔓 gt. 14400 MX 10 aspmx.l.google.com.
🔓 gt. 14400 MX 20 alt1.aspmx.l.google.com.
🔓 gt. 14400 MX 20 alt2.aspmx.l.google.com.
🔓 gt. 14400 MX 30 aspmx2.googlemail.com.
🔓 gt. 14400 MX 30 aspmx4.googlemail.com.
🔓 gt. 14400 MX 30 aspmx5.googlemail.com.
🔒 ws. 21600 MX 10 mail.worldsite.ws.
🔒 ua. 18081 MX 10 mr.kolo.net.
🔒 hr. 7200 MX 5 alpha.carnet.hr.
@mnordhoff
mnordhoff / gist:c232138f31696d7d3b14c3be571d5bac
Created June 26, 2023 18:55
_checkSudo() {
if [ -z "__INTERACTIVE" ]; then
#don't check if it's not in an interactive shell
return 0
fi
if [ "$SUDO_GID" ] && [ "$SUDO_COMMAND" ] && [ "$SUDO_USER" ] && [ "$SUDO_UID" ]; then
if [ "$SUDO_USER" = "root" ] && [ "$SUDO_UID" = "0" ]; then
#it's root using sudo, no matter it's using sudo or not, just fine
return 0
fi
@mnordhoff
mnordhoff / gist:9d793d53e89b9f9abb4048e0436a0f71
Created June 13, 2023 00:52
$ dig +dnssec +norecurse @av2.nstld.com blog.verisign.com
; <<>> DiG 9.19.13-1+ubuntu20.04.1+isc+1-Ubuntu <<>> +dnssec +norecurse @av2.nstld.com blog.verisign.com
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27084
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 7
;; OPT PSEUDOSECTION:
@mnordhoff
mnordhoff / gist:a81173733bab1891ac127cb0c6455772
Last active March 6, 2023 07:09
$ dig +dnssec +norecurse +nsid @c.in-addr-servers.arpa 74.in-addr.arpa
; <<>> DiG 9.19.10-1+ubuntu20.04.1+isc+2-Ubuntu <<>> +dnssec +norecurse +nsid @c.in-addr-servers.arpa 74.in-addr.arpa
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56431
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 8, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
@mnordhoff
mnordhoff / gist:8ca4d7f7b8906862c2b116d899d59f22
Created September 7, 2022 02:57
$ mtr -brwz d0.org.afilias-nst.org
Start: 2022-09-07T01:55:07+0000
HOST: ultimate Loss% Snt Last Avg Best Wrst StDev
1. AS63949 2600:3c02::1 0.0% 10 0.6 0.8 0.5 2.1 0.5
2. AS63949 2600:3c0f:4:35::3 0.0% 10 0.4 0.6 0.4 1.7 0.4
3. AS??? fd04:1:1eaf:3:1::1 0.0% 10 3.4 2.6 0.6 9.7 2.9
4. AS??? fd04:1:b:2:1::2 0.0% 10 0.5 1.6 0.4 10.3 3.1
5. AS20940 ae45.r12.atl01.ien.netarch.akamai.com (2600:1488:a1c0::18) 0.0% 10 0.5 1.1 0.5 3.6 1.1
6. AS20940 ae8.r02.atl01.icn.netarch.akamai.com (2600:1488:a1c0:405::a) 0.0% 10 0.6 0.8 0.6 1.6 0.3
7. AS20940 ae10.r01.dfw01.icn.netarch.akamai.com (2600:1488:5fc3:52::a) 0.0% 10 65.7 46.4 19.0 137.2 36.7
@mnordhoff
mnordhoff / fi.txt
Last active August 22, 2022 07:50
$ dig @e.fi -4 +dnssec +norecurse +nsid fi soa
; <<>> DiG 9.19.4-1+ubuntu20.04.1+isc+1-Ubuntu <<>> @e.fi -4 +dnssec +norecurse +nsid fi soa
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20518
;; flags: qr aa; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
@mnordhoff
mnordhoff / gist:99ff5c9c9fbff7b5d11e3ed18747d588
Created July 18, 2022 23:02
mnordhoff@ultimate:~$ for i in 139.162.130.5 139.162.131.5 139.162.132.5 139.162.133.5 139.162.134.5 139.162.135.5 139.162.136.5 139.162.137.5 139.162.138.5 139.162.139.5 2a01:7e01::5 2a01:7e01::9 2a01:7e01::7 2a01:7e01::c 2a01:7e01::2 2a01:7e01::4 2a01:7e01::3 2a01:7e01::6 2a01:7e01::b 2a01:7e01::8; do echo $i; dig +vc +timeout=2 +tries=2 example.com @$i; done
139.162.130.5
;; Connection to 139.162.130.5#53(139.162.130.5) for example.com failed: timed out.
;; Connection to 139.162.130.5#53(139.162.130.5) for example.com failed: timed out.
139.162.131.5
;; Connection to 139.162.131.5#53(139.162.131.5) for example.com failed: timed out.
;; Connection to 139.162.131.5#53(139.162.131.5) for example.com failed: timed out.
139.162.132.5
; <<>> DiG 9.19.2-1+ubuntu20.04.1+isc+1-Ubuntu <<>> +vc +timeout +tries example.com @139.162.132.5
@mnordhoff
mnordhoff / gist:a218e0dc78bdbc3590c32a634b674dab
Last active April 7, 2022 18:42
Thu 07 Apr 2022 06:32:36 PM UTC
dig +dnssec response sizes for every TLD. PowerDNS Recursor.
Some are NODATA. One (xn--mgbai9azgqp6j) was probably SERVFAIL.
1 46
2 75
2 76
2 78