kollegienet.dk is a .dk domain served by 7 nameservers (ns-1361.awsdns-42.org, ns-25.awsdns-03.com, ns-751.awsdns-29.net and 4 more). It was registered on 9 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.230.10 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.104.230.10 | 3600s | kollegienet.dk | AS63949 | Akamai Connected Cloud | 172.104.224.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7e01::f03c:91ff:feb9:5016 | 3600s | kollegienet.dk | AS63949 | Akamai Connected Cloud | 2a01:7e00:0:0:0:0:0:0/30 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| fqyn7lzdnxk6sl4m1dj3pb0zp8sy29jl |
| google-site-verification=yU0e46bbCnIVLKY9M5_sqAT8a22O78eY3FWkIUUQAiw |
| v=spf1 include:_spf.google.com -all |
| Policy | Record (kollegienet.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.google.com -all |
| Policy | Record (_dmarc.kollegienet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@kollegienet.dk,mailto:kollegienet-d@dmarc.report-uri.com,mailto:re+uetx34h4fjl@dmarc.postmarkapp.com; |
| www CNAME | kollegienet.github.io (all on github.io) |
| www vs bare domain | Same network kollegienet.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.kollegienet.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-751.awsdns-29.net |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-03-09 |
| Expires | 2027-03-31 (158d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 03:38:03 | 3206ms | 7 NS 4 A 5 MX | 🔓 Insecure |
| 2026-09-30 12:45:05 | 3216ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-26 21:20:47 | 12549ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-04 18:52:04 | 3765ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-28 07:01:12 | 5405ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-28 14:20:33 | 4256ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-25 22:23:17 shown | 3413ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-22 19:57:50 | 1436ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-21 02:32:11 | 969ms | 7 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 13:03:00 | 3926ms | 7 NS 1 A 5 MX | 🔓 Insecure |