esbkomm.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
brit.ns.cloudflare.com	108.162.192.78 172.64.32.78 173.245.58.78 2606:4700:50::adf5:3a4e 2803:f800:50::6ca2:c04e 2a06:98c1:50::ac40:204e	brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mack.ns.cloudflare.com	108.162.195.37 162.159.44.37 172.64.35.37 2606:4700:58::a29f:2c25 2803:f800:50::6ca2:c325 2a06:98c1:50::ac40:2325	mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	esbkomm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca09::26 2a01:111:f403:ca48::8 52.101.181.153 52.101.68.36 52.101.68.5 52.101.73.15	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 145ms

TXT Record
_globalsign-domain-verification=tk8CWYFy6DYOg0KJJAM_1Bk1dHLLvejKdB7NFawW5f
anthropic-domain-verification-f91pts=lBYpEPlgnA9ovep6WcxpMFl29
apple-domain-verification=oNRXg0AsKJXMEyIZ
HiAI7x6cOVb4wOrq+eXdfrXVqKzW4Ebnn3LlgEBH6U6mueUS9KQTtlr7CERDeKVVgDcDnjDk3MEyTF05l2g0Ww==
v=spf1 include:_spf68710.spf-protect.dk -all

✉️ SPF

Policy	Record (esbkomm.dk)
-all (hard fail)	v=spf1 include:_spf68710.spf-protect.dk -all

📨 DMARC

Policy	Record (_dmarc.esbkomm.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; ruf=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; adkim=s; aspf=s; ri=86400; fo=1; rf=afrf; pct=100

📬 MTA-STS223ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	1727263883
max_age	86400s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:a93ab26ad694.m@dmarcinput.com

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413678164
Primary NS (MNAME)	brit.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-15 12:42:11

Field	Value
Registrar	DANDOMAIN A/S
Registered	1995-09-26
Expires	2028-09-30 (757d)

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

30ms

MX

35ms

AAAA

38ms

TXT

145ms

CAA

32ms

HTTPS

41ms

TLSA

863ms

SOA

0ms

MTA-STS

223ms

DNSSEC

109ms

SRV

70ms

Total

1450ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 02:50:41	1450ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 22:38:09	906ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-21 10:53:56	6564ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-08 08:22:50	9525ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-31 23:36:08	2018ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-25 21:05:50	1222ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-15 12:41:44	1278ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-12 18:20:36	25501ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-05 21:58:23	2221ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-03 18:15:18	1695ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-01 05:32:11	6823ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-30 07:30:13	1073ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-27 11:31:48	1659ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 09:31:36	1277ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-23 10:05:35	908ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 08:28:32	1035ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 08:21:06	909ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 08:20:55	1267ms	2 NS 0 A 1 MX	🔒 Secure	View