esmark.dk is a .dk domain served by 2 nameservers (chin.ns.cloudflare.com, jobs.ns.cloudflare.com). It was registered on 26 April 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.4.32 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by esmark-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.26.4.32 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.5.32 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.70.128 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | esmark.dk → 91.197.248.177 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:420 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| 2606:4700:20::681a:520 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| 2606:4700:20::ac43:4680 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.26.4.32,104.26.5.32,172.67.70.128 ipv6hint=2606:4700:20::681a:420,2606:4700:20::681a:520,2606:4700:20::ac43:4680 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=sO5Dbg73jsO7OGX4yTtxJqaIZw1GwKzT80zg3Op3_e |
| _globalsign-domain-verification=zhEm05L79lMD4dF6ZbxFlSaxSxgZLVA2iRB6GAcKPl |
| apple-domain-verification=dklwoBejmF11pN33 |
| brevo-code:b570dd5f82cfbd9a02ee3577a41a8994 |
| google-site-verification=503LvN8saLTtEg2kjvy78UmezUt3nE5l-bHgKY3Ukz4 |
| klaviyo-site-verification=RSnS8G |
| klaviyo-site-verification=TEk98f |
| klaviyo-site-verification=TWyDXS |
| klaviyo-site-verification=V8vQja |
| klaviyo-site-verification=WEnTnf |
| pinterest-site-verification=30267640338268fc6bf0071a0bcd3daf |
| Sendinblue-code:b570dd5f82cfbd9a02ee3577a41a8994 |
| v=spf1 ip4:185.21.42.31/30 ip4:18.203.20.96 ip4:185.21.42.28/30 ip4:178.132.236.160/27 include:spf.mentor-it.dk include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.intern1.dk ip4:176.62.207.60 include:email.bookingstudio.dk include:spf.sendinblue.com include:spfrerouting.xink.io -all |
| Policy | Record (esmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.21.42.31/30 ip4:18.203.20.96 ip4:185.21.42.28/30 ip4:178.132.236.160/27 include:spf.mentor-it.dk include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.intern1.dk ip4:176.62.207.60 include:email.bookingstudio.dk include:spf.sendinblue.com include:spfrerouting.xink.io -all |
| Policy | Record (_dmarc.esmark.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:d0756cf83452565@rep.dmarcanalyzer.com,mailto:22b0a05257e1174@rep.dmarcanalyzer.com,mailto:dmarc_agg@vali.email; ruf=mailto:d0756cf83452565@for.dmarcanalyzer.com,mailto:22b0a05257e1174@for.dmarcanalyzer.com; fo=1; |
| www | 91.197.248.177 (AS48854) (address records, no CNAME) |
| www vs bare domain | Different networks esmark.dk: 104.26.4.32 104.26.5.32 172.67.70.128 2606:4700:20::681a:420 (AS13335) (all like this)www.esmark.dk: 91.197.248.177 (AS48854) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| — | RSA · ~1024 bit below 2048 bit | |
| selector2 | selector2-esmark-dk._domainkey.esmarchdk.onmicrosoft.com | 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: 10/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.esmark.dk | CbSP9ogFfGLkvA_SsmMumVNZoQbPIJKp3iq0uOaaFaQ |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417275900 |
| Primary NS (MNAME) | chin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-04-26 |
| Expires | 2031-04-30 (1655d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 01:50:27 | 2779ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-15 00:43:48 | 4173ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-12 19:49:14 shown | 1193ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-11 16:09:14 | 1332ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-09 14:50:51 | 1331ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-07 12:02:24 | 2211ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-07 11:53:41 | 1566ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-06 04:34:01 | 2665ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-05 04:28:42 | 2432ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-02 04:03:45 | 1044ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:57:21 | 2845ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-30 03:44:54 | 955ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-28 17:37:27 | 925ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-27 17:22:04 | 1396ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-26 17:17:04 | 3256ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-25 17:01:59 | 1051ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-23 16:31:00 | 1495ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-15 14:27:57 | 2568ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-08 13:48:37 | 1929ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-03 04:04:13 | 1192ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-01 00:18:20 | 951ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-29 17:13:42 | 2376ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-28 12:30:34 | 2275ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:00:41 | 1557ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-26 11:48:01 | 1762ms | 2 NS 3 A 1 MX | 🔓 Insecure |