seistrup-nagel.dk is a .dk domain served by 2 nameservers (dns106.ovh.net, ns106.ovh.net). It was registered on 10 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.95.95.134 is hosted by OVH SAS (AS16276) in France. Mail is handled by mail.seisna.eu. 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 |
|---|---|---|---|---|---|---|---|
| 141.95.95.134 | 3600s | vps-1e91bc23.vps.ovh.net | AS16276 | OVH SAS | 141.94.0.0/15 | 🇫🇷 France | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.seisna.eu | 51.195.122.210 | mail.seisna.eu | AS16276 OVH SAS |
| TXT Record |
|---|
| hosted-email-verify=bcytwwln |
| v=spf1 mx ~all |
| Policy | Record (seistrup-nagel.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.seistrup-nagel.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:postmaster@seistrup-nagel.dk |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20260706000000 |
| max_age | 604800s |
| Policy MX | mail.seisna.eu |
| Flags | Tag | Value |
|---|---|---|
| 0 | issuewild | letsencrypt.org |
| www CNAME | ingress-ext.seisna.eu (all on seisna.eu) → 141.95.95.134 (AS16276) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.seisna.eu | DANE-EE · SPKI · SHA-256 | A0D0A018D6551A8226234E0FBB1A3BBF… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2089842742 |
| Primary NS (MNAME) | dns106.ovh.net |
| Responsible (RNAME) | tech@ovh.net |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 60s |
| Field | Value |
|---|---|
| Registrar | Ovh |
| Registered | 2021-11-10 |
| Expires | 2026-11-09 (13d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 04:42:10 | 781ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 22:07:52 | 725ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 13:46:13 | 2274ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 13:31:11 shown | 3145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 21:44:05 | 2000ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 20:10:51 | 11084ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 02:04:53 | 1797ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 16:02:25 | 2656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 20:53:44 | 1295ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 07:25:11 | 13037ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 11:20:55 | 1224ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 12:32:51 | 2836ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 03:34:26 | 2365ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-03 13:23:59 | 11177ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 11:35:35 | 695ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-29 00:25:06 | 1609ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-28 09:16:04 | 1470ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-25 15:52:09 | 1393ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-24 03:36:18 | 2174ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-18 05:03:52 | 1401ms | 2 NS 2 A 2 MX | 🔒 Secure |