a15.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by a15-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 198.185.159.144 | 3600s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | New York |
| 198.185.159.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.185.159.0/24 | 🇺🇸 United States | — |
| 198.49.23.144 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| 198.49.23.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| google-site-verification=jI9hkBNB6yWk6T3SFsS3Y5NAhRrwY7EhH1-gAN1YxAo |
| MS=ms62902966 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (a15.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | ext-cust.squarespace.com (all on squarespace.com) |
| www vs bare domain | Same network a15.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.a15.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · 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 | 2026101105 |
| 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 | ONE.COM A/S |
| Registered | 2022-04-02 |
| Expires | 2027-04-01 (166d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 19:21:38 shown | 1181ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-30 00:04:55 | 1383ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-23 21:24:22 | 1241ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-03 20:35:26 | 848ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-30 03:22:07 | 2010ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-26 16:54:06 | 1038ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-12 21:52:48 | 1781ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-07 16:48:07 | 1937ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-25 07:41:35 | 1358ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-21 20:32:02 | 7252ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-26 13:03:54 | 929ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-24 20:18:54 | 876ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-20 16:36:17 | 821ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-16 13:15:16 | 1379ms | 2 NS 4 A 1 MX | 🔒 Secure |