certex.dk is a .dk domain served by 4 nameservers (dns01.dipcon.com, dns02.ports.se, dns03.ports.se and 1 more). It was registered on 16 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 4.210.202.11 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by certex-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 4.210.202.11 | 900s | — | AS8075 | Microsoft Corporation | 4.208.0.0/14 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _s3bum2tjeo5evgfx0my7a5dutay40aw |
| 5S+bwk7+vouZwhURYqkIRyvD68y+D4/q+hak/JmNR8AC/u/G/KOO2undMfStDIUh2CNjCqh8N4WvCNZ4/ikX4A== |
| adobe-idp-site-verification=8987bd0310d10bd007f9567cf7cabdf45a1e1a7f2c080a5104810dd4b27bff6d |
| atlassian-domain-verification=IstU1bCfURsvm/SAEMJGhHC/n6zf2z7BLRuW8eiPxx8dLzmT935pYbLOiJx85ws8 |
| fba4ccb2ffc2441697267969aeeae92b |
| google-site-verification=BbDkhWp4kIhn6K7s_FK3mFRuU2lzl4MX_xj_LUD6ySU |
| k81dqvjq3cgby0l8mgdcdnbj058cwlg0 |
| kht8ntyc6f0nvv26gkmww3sz650l90vq |
| linkedin-site-verification=2e3b4679-bb90-4161-8a25-cfbad7fc26f0 |
| MS=ms76613211 |
| openai-domain-verification=dv-oV3abYfldmMAKWwxxNp6GzaH |
| v=spf1 include:spf.protection.outlook.com include:25808943.spf06.hubspotemail.net include:spf.EU.exclaimer.net include:servers.mcsv.net include:spf.divante.pl ip4:193.108.6.116 ip4:185.29.113.144 ip4:172.16.1.4 ip4:172.16.1.5 ip4:40.68.243.134 ip4:52.166.118.28 ip4:88.131.97.144 ip4:85.194.245.6 ip4:5.135.219.252 ip4:62.20.6.128 -all |
| Policy | Record (certex.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:25808943.spf06.hubspotemail.net include:spf.EU.exclaimer.net include:servers.mcsv.net include:spf.divante.pl ip4:193.108.6.116 ip4:185.29.113.144 ip4:172.16.1.4 ip4:172.16.1.5 ip4:40.68.243.134 ip4:52.166.118.28 ip4:88.131.97.144 ip4:85.194.245.6 ip4:5.135.219.252 ip4:62.20.6.128 -all |
| Policy | Record (_dmarc.certex.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:xsbuxhid@ag.eu.dmarcadvisor.com; |
| www | 4.210.202.11 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-certex-dk._domainkey.axinter.onmicrosoft.com | 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| 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 | 2026100702 |
| Primary NS (MNAME) | dns01.dipcon.com |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 1800s |
| Retry | 900s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 1999-11-16 |
| Expires | 2026-12-31 (69d) |
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 |
|---|---|
| certmax.dk | Abion AB |
| flowteknik.dk | Abion AB |
| imanalytics.dk | Abion AB |
| kaltechgear.dk | Abion AB |
| nomo.dk | Abion AB |
| powertex.dk | Abion AB |
| ropetex.dk | Abion AB |
| triotrykluft.dk | Abion AB |
| wipomatic.dk | Abion AB |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 18:39:07 | 1740ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 21:02:47 | 2291ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 20:57:04 shown | 29719ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 20:55:48 | 9084ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 18:52:39 | 2342ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 18:30:48 | 1546ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 18:19:08 | 1454ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 17:46:18 | 1211ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 17:40:44 | 4549ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 17:23:05 | 3646ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 17:12:56 | 1076ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 00:09:37 | 1720ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 02:33:24 | 3435ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-08 02:34:41 | 7215ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 13:05:27 | 1390ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-30 05:34:34 | 3366ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 21:49:04 | 1175ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 21:43:01 | 10231ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 15:03:23 | 1732ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 00:14:27 | 2043ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 00:09:50 | 2688ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 22:08:42 | 3411ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 22:04:58 | 1694ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 21:38:36 | 2396ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-18 19:28:51 | 9381ms | 4 NS 1 A 1 MX | 🔓 Insecure |