advance.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 March 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.66.0.125 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by advance-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.66.0.125 | — | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | — | — |
| TXT Record |
|---|
| _globalsign-domain-verification=JvZHR646xiA3oRRjIQ-TeJLAbO8xtJtStu4SDHdUsO |
| apple-domain-verification=6qNNPKgB9IpTqRZW |
| qf00mcw4c850r4kkkzfj39m459jrft0r |
| v=spf1 ip4:80.243.123.80 include:spf-eu.emailsignatures365.com include:spf.protection.outlook.com -all |
| WB=3HnGouqFZEicjRGnIC/oMw |
| Policy | Record (advance.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.243.123.80 include:spf-eu.emailsignatures365.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.advance.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:cuuvvv0zau@rua.powerdmarc.com; ruf=mailto:cuuvvv0zau@ruf.powerdmarc.com; pct=100; fo=1; |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 20240808075805820544 |
| max_age | 86400s |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:cuuvvv0zau@tls.powerdmarc.com |
| www | 185.175.196.1 2a00:1c98:60:1010:0:1:4afd:d438 (AS34762) (address records, no CNAME) |
| www vs bare domain | Same network advance.dk: 185.175.196.1 2a00:1c98:60:1010:0:1:4afd:d438 (AS34762) www.advance.dk: 185.175.196.1 2a00:1c98:60:1010:0:1:4afd:d438 (AS34762) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-advance-dk._domainkey.advancedk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-advance-dk._domainkey.advancedk.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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025080700 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1996-03-28 |
| Expires | 2028-03-31 (531d) |
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 |
|---|---|---|---|
| 2026-10-13 00:32:20 | 1879ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 15:26:49 | 933ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 04:31:06 | 1383ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 02:15:40 | 1579ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 00:57:47 | 1690ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 06:33:23 | 1061ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 04:11:18 | 1487ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 11:29:37 | 1127ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 20:05:43 | 1613ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 03:33:33 | 1472ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 10:22:36 | 4751ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 04:58:13 | 1191ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:47:30 | 5997ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 08:07:20 | 1489ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:41:09 shown | 1220ms | 3 NS 1 A 1 MX | 🔓 Insecure |