thansen.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.63.17.5 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by thansen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 80.63.17.5 | 3600s | — | AS3292 | TDC Holding A/S | 80.62.0.0/15 | 🇩🇰 Denmark | Vanløse |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 80.63.17.111 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:4860:4802:38::15 | 3600s | any-in-2001-4860-4802-38--15.1e100.net | AS15169 | Google LLC | 2001:4860:4800:0:0:0:0:0/46 | 🇺🇸 United States | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=4Pazn9XizEFqB2UAx4-gYRFvDZFInN3hDL6zrjrdeT |
| 9SuchZqlEXmLA9WKmSJ/Y2bFvvse2dbFuC5JnCY9Gr4SqbUsoezENGykGsuPO2nk99F3RT9aq3sIM2Nl9eH9zg== |
| apple-domain-verification=JpgQNMvuJfkI2IyN |
| atlassian-domain-verification=THasmiE1HWNNnsBLnWCF6ZlDkfuWaECD4fIZTVrsRkMq/bLUAMLTnyVOJlnIh9qF |
| facebook-domain-verification=sduy9xhj3ts0v5szavvnsjfi1xp8iz |
| google-site-verification=-GSAL_z2RYD52fl4YXh3UNZRmqP_mXvboMIuhrNfQ7I |
| google-site-verification=8BmRqNG265A83yHU--Y2BVFNzAG8jE5kVIuNRtWqiHM |
| gt2qte3729ek9fhnu82gtc7a5k |
| klaviyo-site-verification=K4LVbD |
| MS=70994A29CD02F208F5AD46BAC4349528D7E32CEF |
| MS=ms55055351 |
| v=spf1 a mx ip4:80.63.17.0/25 include:sendgrid.net include:mail.zendesk.com include:trustpilotservice.com include:spf.protection.outlook.com -all |
| Policy | Record (thansen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:80.63.17.0/25 include:sendgrid.net include:mail.zendesk.com include:trustpilotservice.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.thansen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:dmarc@thansen.dk; ruf=mailto:dmarc@thansen.dk; fo=1 |
| www | 159.60.154.200 (AS35280) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u11162387.wl138.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u11162387.wl138.sendgrid.net | RSA · ~2048 bit |
| selector1 | selector1-thansen-dk._domainkey.thgdk.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: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070400 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 28800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 1997-10-02 |
| Expires | 2026-12-31 (71d) |
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 |
|---|---|---|---|
| 2026-10-15 07:45:30 | 1231ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 06:17:29 | 3436ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 23:13:04 | 1286ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 22:27:36 | 2639ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 22:22:43 | 2987ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 22:10:11 | 1204ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 21:42:27 | 2869ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 07:17:14 | 1244ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 04:14:15 | 1730ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 21:41:26 | 2939ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:27:26 | 1018ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 14:59:43 | 1134ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 01:19:23 | 1349ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 22:26:13 | 3427ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-04 02:50:04 | 1485ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 22:02:28 | 2497ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 21:42:37 | 1917ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 20:44:37 shown | 7626ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 05:20:36 | 1556ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 09:13:36 | 1139ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:13:32 | 2073ms | 2 NS 1 A 1 MX | 🔒 Secure |