crossbord.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.195 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by crossbord-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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.195 | 3600s | webcluster1.wordpresspod1-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:101:1a:99eb:c675:69fe | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (crossbord.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.crossbord.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 77.111.240.195 2a02:2350:5:101:1a:99eb:c675:69fe (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network crossbord.dk: 77.111.240.195 2a02:2350:5:101:1a:99eb:c675:69fe (AS51468) www.crossbord.dk: 77.111.240.195 2a02:2350:5:101:1a:99eb:c675:69fe (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-crossbord-dk._domainkey.crossbord.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: 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 | 2026070401 |
| 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 | 2021-11-26 |
| Expires | 2026-11-25 (39d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 04:48:11 | 1375ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:16:48 | 803ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 20:01:09 | 1253ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 14:08:56 | 1309ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 08:41:26 | 1188ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 02:51:06 | 1309ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-04 03:01:11 | 2247ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 11:10:14 | 1729ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 05:19:46 | 10245ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 04:41:38 | 2191ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 04:19:31 | 1334ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 02:39:01 | 1228ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 19:44:25 | 10163ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 15:50:29 | 10126ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 02:56:24 | 17036ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 23:43:51 | 3099ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 19:11:35 | 1819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 01:44:35 | 1329ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 15:25:29 | 1070ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 08:58:59 | 946ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 15:14:02 | 1502ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 20:23:29 | 16934ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 04:53:08 shown | 2340ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 18:16:12 | 8680ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 13:30:26 | 1174ms | 2 NS 1 A 1 MX | 🔒 Secure |