weblarsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 June 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.203.63 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by mail.weblarsen.dk, mail2.weblarsen.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | 2001:67c:28cc::10 | ns01.one.com | AS197495 One.com A/S |
| ns02.one.com | 2001:67c:3c0::10 | ns02.one.com | AS51468 One.com A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.104.203.63 | 3600s | mail.weblarsen.dk | AS63949 | Akamai Connected Cloud | 172.104.202.0/23 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.weblarsen.dk | 172.104.203.63 | mail.weblarsen.dk | AS63949 Akamai Connected Cloud |
| 15 | 600s | mail2.weblarsen.dk | 139.162.130.163 | mail2.vagtadmin.dk | AS63949 Akamai Connected Cloud |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.104.203.63 |
| 🔶 Autoconfig | 172.104.203.63 |
| TXT Record |
|---|
| google-site-verification=Vx_iO2drGPz7HuLwzHsrDa-deADS8GR5C_xqqVE2SZk |
| Hosted by USRTech I/S - http://www.usrtech.dk |
| v=spf1 mx ip4:172.104.203.63 ip4:139.162.130.163 -all |
| Policy | Record (weblarsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:172.104.203.63 ip4:139.162.130.163 -all |
| Policy | Record (_dmarc.weblarsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; ruf=mailto:ull@weblarsen.dk; fo=1 |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 20230919S00T001 |
| max_age | 86400s |
| Policy MX | weblarsen.dk, *.weblarsen.dk, vagtadmin.dk, *.vagtadmin.dk, usrtech.dk, *.usrtech.dk, vagtleder.dk, *.vagtleder.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:ull@weblarsen.dk |
| www | 172.104.203.63 (AS63949) (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 |
|---|---|---|
| default | — | 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.weblarsen.dk | _acme-challenge.spamwatch.dk |
| TXT | _acme-challenge.spamwatch.dk | JnT2n2J-Lum82m-AczYuujDJb1VYDvQ8XvZRunWAPnI |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032501 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2011-06-08 |
| Expires | 2027-06-30 (252d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 16:42:56 | 1671ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 10:53:33 | 818ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 01:38:14 | 2449ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 00:38:09 | 766ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 19:12:30 | 2555ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 05:46:12 | 888ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 07:23:39 | 5095ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-09 16:35:40 shown | 7147ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 03:55:38 | 3540ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 23:52:02 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:29:22 | 703ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 23:20:02 | 1371ms | 2 NS 1 A 2 MX | 🔒 Secure |