update.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was registered on 1 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.54.32.177 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.supportcenter.dk | 87.54.32.150 | — | AS3292 TDC Holding A/S |
| ns4.supportcenter.dk | 2.106.7.200 | ns4.supportcenter.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.54.32.177 | 3600s | — | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms66674860 |
| v=spf1 mx -all |
| Policy | Record (update.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.update.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:6073f6b2c01db@ag.dmarcly.com; ruf=mailto:6073f6b2c01db@fo.dmarcly.com; sp=reject; fo=1; |
| www | 87.54.32.177 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 925 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-09-01 |
| Expires | 2027-09-30 (346d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 18:25:56 | 3537ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-17 17:18:15 | 675ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-16 16:55:14 | 735ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-13 12:20:55 | 1827ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-12 10:13:11 | 2152ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-08 22:11:02 | 1377ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-06 21:44:09 | 528ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-04 16:53:33 | 1281ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 16:38:38 | 1143ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 16:25:40 | 644ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 17:11:57 | 793ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 16:56:10 | 878ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 16:05:46 | 972ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 10:02:57 | 1574ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-13 16:22:58 | 1116ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 13:52:16 | 1078ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-08 02:32:12 | 887ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 22:52:57 | 613ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 23:45:50 | 718ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 22:55:05 shown | 1014ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 22:20:01 | 1435ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-21 21:49:21 | 9532ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 20:36:37 | 4985ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 11:24:29 | 2664ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-16 05:25:07 | 1308ms | 2 NS 1 A 4 MX | 🔒 Secure |