dseb.dk is a .dk domain served by 2 nameservers (ganz.ns.cloudflare.com, irena.ns.cloudflare.com). It was registered on 2 May 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.121 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dseb-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.76.121 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.194.51 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.76.121 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:4c79 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:c233 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.76.121,172.67.194.51 ech=AEX+DQBB4QAgACAqaIebj+szSujpNENrNEMasD1DsxrJdmCPEV9qrtR9DwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:4c79,2606:4700:3036::ac43:c233 |
| TXT Record |
|---|
| v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all |
| Policy | Record (dseb.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all |
| www | 141.193.213.10 141.193.213.11 (AS209242) (address records, no CNAME) |
| www vs bare domain | Same network dseb.dk: 141.193.213.10 141.193.213.11 (AS209242) www.dseb.dk: 141.193.213.10 141.193.213.11 (AS209242) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406850961 |
| Primary NS (MNAME) | ganz.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2012-05-02 |
| Expires | 2027-05-31 (220d) |
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 |
|---|---|---|---|
| 2026-10-21 04:52:52 | 1255ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-26 15:50:06 | 1040ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-16 20:45:51 | 870ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-08-27 06:03:35 | 1125ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-07-07 01:07:45 | 24935ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-07-01 03:00:34 | 773ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-27 02:09:01 shown | 2025ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 17:11:20 | 2374ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 09:31:05 | 949ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 15:43:32 | 1624ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:50:24 | 1812ms | 2 NS 2 A 1 MX | 🔓 Insecure |