surfagency.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.131 | 3600s | linux23.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.41.131 |
| 🔶 Autoconfig | 185.21.41.131 |
| TXT Record |
|---|
| google-site-verification=BS4hgC_GgQD0w81Q-OROy-t2n1U93J0GgDNpBGWm4PA |
| Policy | Record (_dmarc.surfagency.dk) |
|---|---|
| no policy tag | v=DMARC1; p=politiknavn; rua=mailto:en-e-mail-adresse; ruf=mailto:en-e-mail-adresse |
| www | 185.21.41.131 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u41816517.wl018.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u41816517.wl018.sendgrid.net | 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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101402 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 22:43:07 shown | 1065ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-13 20:57:11 | 2038ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-27 01:58:38 | 1000ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-15 07:17:28 | 16981ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-21 05:32:32 | 3071ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-18 03:54:41 | 774ms | 2 NS 1 A 5 MX | 🔒 Secure |