glasfiber.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 8 August 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.123 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.glasfiber.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 87.116.13.123 | 3600s | s7.stom.dk | AS31027 | GlobalConnect A/S | 87.116.0.0/18 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.glasfiber.dk | 87.116.13.123 | s7.stom.dk | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | glasfiber.dk → 87.116.13.123 |
| 🔶 Autoconfig | glasfiber.dk → 87.116.13.123 |
| TXT Record |
|---|
| v=spf1 ip4:87.116.13.123 +a +mx include:spf.stom.dk include:sendgrid.net ~all |
| Policy | Record (glasfiber.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:87.116.13.123 +a +mx include:spf.stom.dk include:sendgrid.net ~all |
| Policy | Record (_dmarc.glasfiber.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | glasfiber.dk (all on glasfiber.dk) → 87.116.13.123 (AS31027) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.glasfiber.dk | glasfiber.dk |
| 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 | 2026062501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@glasfiber.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-08-08 |
| Expires | 2027-09-30 (347d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| biocom.dk | Punktum dk A/S (direct) |
| biokomposit.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 10:58:54 | 893ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 14:28:30 | 2137ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 12:37:14 | 3552ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 11:40:58 | 971ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 04:38:30 | 1050ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 01:08:20 | 782ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:40:21 | 1001ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 01:42:57 | 1172ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 09:59:08 | 1640ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 13:19:52 | 3663ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 14:33:36 | 839ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-31 04:46:50 | 1537ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 06:10:08 | 1119ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 19:00:07 | 9893ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 04:36:36 | 1966ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 12:52:24 | 1516ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 09:09:47 shown | 975ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:44:04 | 3369ms | 5 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-23 02:46:50 | 972ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 06:03:21 | 1880ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:11:42 | 1863ms | 5 NS 1 A 1 MX | 🔓 Insecure |