hertels.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.90.118.211 is hosted by Fab:IT ApS (AS45032) in Denmark. Mail is handled by hertels-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 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 |
|---|---|---|---|---|---|---|---|
| 93.90.118.211 | 3600s | srvfab-webproxy0.chainbox.dk | AS45032 | Fab:IT ApS | 93.90.112.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | hertels.dk → 93.90.118.211 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:df0:ca:cb00::3:1 | 3600s | — | AS45032 | Fab:IT ApS | 2a00:df0:0:0:0:0:0:0/32 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=f3wSXEkGzAPIB8l7MuV33j5-ZBCd7FqCxgVyNQkFVOA |
| v=spf1 include:spf.protection.outlook.com include:_spf.hosting.chainbox.dk include:spf.lagersystem.dk include:web.shared.mysmtp.com include:_spf.smtp.com -all |
| Policy | Record (hertels.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.hosting.chainbox.dk include:spf.lagersystem.dk include:web.shared.mysmtp.com include:_spf.smtp.com -all |
| Policy | Record (_dmarc.hertels.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:admin@hertels.dk |
| www CNAME | hertels.dk (all on hertels.dk) |
| www vs bare domain | Same network hertels.dk: 93.90.118.211 2a00:df0:ca:cb00::3:1 (AS45032) www.hertels.dk: 93.90.118.211 2a00:df0:ca:cb00::3:1 (AS45032) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u8454841.wl092.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u8454841.wl092.sendgrid.net | RSA · ~1024 bit below 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: 8/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.hertels.dk | hertels.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2023030301 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:03:23 | 1311ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 06:01:53 shown | 998ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 07:48:06 | 962ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:18:19 | 1166ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:11:20 | 1438ms | 2 NS 1 A 1 MX | 🔒 Secure |