guf-elservice.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 April 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.190 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.190 | 3600s | webcluster63.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80f3:8dc8:cdae:c05e | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.190 2a02:2350:5:102:80f3:8dc8:cdae:c05e (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network guf-elservice.dk: 77.111.240.190 2a02:2350:5:102:80f3:8dc8:cdae:c05e (AS51468) www.guf-elservice.dk: 77.111.240.190 2a02:2350:5:102:80f3:8dc8:cdae:c05e (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101204 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-04-03 |
| Expires | 2027-04-30 (195d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 12:21:55 shown | 1905ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 15:07:40 | 682ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 12:20:55 | 701ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 11:38:54 | 605ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 20:51:44 | 4754ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 15:55:43 | 566ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 14:06:14 | 999ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 05:21:15 | 4929ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 20:40:00 | 1031ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-28 00:42:39 | 2772ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-15 13:34:18 | 4894ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 20:15:03 | 817ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 16:07:58 | 1142ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 23:41:09 | 970ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:58:52 | 3050ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:50:28 | 880ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:48:26 | 731ms | 2 NS 1 A 4 MX | 🔒 Secure |