larshelbo.dk is a .dk domain served by 5 nameservers (dns1.dk, dns2.dk, dns3.dk and 2 more). It was registered on 29 August 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.34.148.5 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by larshelbo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 188.34.148.5 | 3599s | cyclops.bornhosting.dk | AS24940 | Hetzner Online GmbH | 188.34.128.0/17 | 🇩🇪 Germany | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:fff0:93::5 | 3600s | cyclops.bornhosting.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 1 | 443 | discover.isplogin.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms69700101 |
| v=spf1 include:spf.protection.outlook.com include:_spf.bornhosting.dk -all |
| Policy | Record (larshelbo.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.bornhosting.dk -all |
| Policy | Record (_dmarc.larshelbo.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 188.34.148.5 2a01:4f8:fff0:93::5 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network larshelbo.dk: 188.34.148.5 2a01:4f8:fff0:93::5 (AS24940) www.larshelbo.dk: 188.34.148.5 2a01:4f8:fff0:93::5 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-larshelbo-dk._domainkey.larshelbo.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-larshelbo-dk._domainkey.larshelbo.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101202 |
| Primary NS (MNAME) | dns1.dk |
| Responsible (RNAME) | lars_helbo@privat.dk |
| Refresh | 7200s |
| Retry | 540s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-08-29 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 21:19:15 shown | 1677ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 18:04:55 | 6575ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 13:24:28 | 2595ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 12:34:55 | 958ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 12:00:41 | 2058ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 02:02:53 | 2510ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 12:58:19 | 2740ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 12:56:57 | 1401ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 06:45:14 | 2617ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 04:44:00 | 1211ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 17:48:58 | 19782ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 09:16:11 | 10909ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 16:27:24 | 2234ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 18:33:56 | 11134ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 11:24:54 | 2065ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 14:05:03 | 11589ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 01:42:25 | 1966ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 23:29:30 | 9558ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 17:22:11 | 1759ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 23:44:25 | 2284ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 16:32:09 | 19227ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:32:09 | 3187ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 19:07:13 | 1370ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 12:06:35 | 6277ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 07:40:49 | 947ms | 0 NS 0 A 0 MX | ❓ Unknown |