extentus.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.163.29 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by webhotel28.webhosting.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.250.163.29 | 600s | php71serv1.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | webhotel28.webhosting.dk | 157.250.160.48 | webhotel28.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.250.163.29 |
| 🔶 Autoconfig | 157.250.163.29 |
| TXT Record |
|---|
| v=spf1 include:spf.webhosting.dk ~all |
| Policy | Record (extentus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.webhosting.dk ~all |
| Policy | Record (_dmarc.extentus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www | 157.250.163.29 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel28.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel28.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| HTTPS _443._tcp.extentus.dk | DANE-EE · SPKI · SHA-256 | 880379D2C730B2165082B7DCAAE59EE1… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 3402241260 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 21:43:48 | 863ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 21:15:47 | 576ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 05:58:08 | 760ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 19:08:01 | 587ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 09:49:02 | 1180ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 15:33:45 | 884ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 03:02:38 | 1345ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 01:15:01 shown | 1350ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 15:18:45 | 1165ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 21:38:42 | 1116ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:09:23 | 984ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:09:44 | 1155ms | 5 NS 1 A 1 MX | 🔒 Secure |