esmark.dk

📜 Historical scan 2026-07-07 11:27:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
chin.ns.cloudflare.com	108.162.192.84 172.64.32.84 173.245.58.84 2606:4700:50::adf5:3a54 2803:f800:50::6ca2:c054 2a06:98c1:50::ac40:2054	chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jobs.ns.cloudflare.com	108.162.193.183 172.64.33.183 173.245.59.183 2606:4700:58::adf5:3bb7 2803:f800:50::6ca2:c1b7 2a06:98c1:50::ac40:21b7	jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 33ms

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	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	esmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.21 52.101.73.30 52.101.73.4 52.101.73.6	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	esmark.dk → 91.197.248.177

🔷 AAAA Records (IPv6)#

3 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:420	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:520	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4680	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 41ms

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

🔌 SRV Records#

1 records 102ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

13 records 178ms

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

✉️ SPF#

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

📨 DMARC#

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;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 02:25:05

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) www.esmark.dk: 91.197.248.177 (AS48854) (all like this)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

4 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
mail	—	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.esmark.dk	CbSP9ogFfGLkvA_SsmMumVNZoQbPIJKp3iq0uOaaFaQ

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

58ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2408849467
Primary NS (MNAME)	chin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 02:45:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-04-26
Expires	2031-04-30 (1654d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
sommerhushotline.dk	Punktum dk A/S (direct)
sommerhustelefon.dk	Punktum dk A/S (direct)
vesterland.dk	Punktum dk A/S (direct)
visithoustrup.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

33ms

38ms

AAAA

30ms

TXT

178ms

CAA

31ms

HTTPS

41ms

TLSA

798ms

SOA

0ms

MTA-STS

41ms

DNSSEC

58ms

SRV

102ms

Total

2162ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 02:25:05	2207ms	2 NS 3 A 1 MX	🔓 Insecure
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	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