perimeter.dk is a .dk domain served by 3 nameservers (ns-112-c.gandi.net, ns-43-a.gandi.net, ns-83-b.gandi.net). It was registered on 16 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.188.2.51 is hosted by Loopia AB (AS39570) in Sweden. Mail is handled by perimeter-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 93.188.2.51 | 3600s | webfront1.webcluster.loopia.se | AS39570 | Loopia AB | 93.188.0.0/21 | 🇸🇪 Sweden | — |
| 93.188.2.55 | 3600s | webfront5.webcluster.loopia.se | AS39570 | Loopia AB | 93.188.0.0/21 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | perimeter-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:250:0:8::53 | 3600s | webfront3.webcluster.loopia.se | AS39570 | Loopia AB | 2a02:250:0:0:0:0:0:0/47 | 🇸🇪 Sweden | — |
| 2a02:250:0:8::55 | 3600s | webfront5.webcluster.loopia.se | AS39570 | Loopia AB | 2a02:250:0:0:0:0:0:0/47 | 🇸🇪 Sweden | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 100 | 0 | 443 | autodiscover.outlook.com |
| _sipfederationtls._tcp | 100 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms18929631 |
| v=spf1 mx a include:_spf.perimeterprotection.net ~all |
| Policy | Record (perimeter.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a include:_spf.perimeterprotection.net ~all |
| Policy | Record (_dmarc.perimeter.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | Exists, no address |
| www vs bare domain | Same network perimeter.dk: 93.188.2.51 93.188.2.55 2a02:250:0:8::53 2a02:250:0:8::55 (AS39570) www.perimeter.dk: 2a02:250:0:8::53 2a02:250:0:8::55 (AS39570) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
| 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 | 1791417600 |
| Primary NS (MNAME) | ns1.gandi.net |
| Responsible (RNAME) | hostmaster@gandi.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | GANDI SAS |
| Registered | 2004-07-16 |
| Expires | 2027-07-31 (287d) |
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 03:41:57 | 3545ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 16:00:13 shown | 4614ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 13:53:30 | 724ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 12:43:59 | 1841ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 12:37:01 | 1386ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 11:09:04 | 1651ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 08:33:47 | 2020ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 23:33:54 | 2313ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 17:38:33 | 2190ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 15:09:14 | 1942ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 14:44:36 | 2355ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 08:34:41 | 1495ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 02:13:44 | 4126ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 10:15:10 | 944ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-04 13:42:04 | 1613ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 15:00:53 | 1859ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 09:42:42 | 10752ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 07:15:16 | 2015ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 19:24:35 | 2766ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 23:30:06 | 6343ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 07:26:37 | 924ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 09:53:25 | 4721ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:58:29 | 2304ms | 3 NS 2 A 1 MX | 🔓 Insecure |