kronborgb2b.dk DNS records

🖥️ Nameservers2 records 128ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records1 records 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.103.135.52	3600s	e82-103-135-52s.cust.asergo.com	AS30736	Asergo Holding ApS	82.103.128.0/18	🇩🇰 Denmark	—

📧 MX Records1 records 150ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 503ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (kronborgb2b.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.kronborgb2b.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC273ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	4256
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

128ms

A

113ms

MX

150ms

AAAA

109ms

TXT

503ms

CAA

114ms

HTTPS

91ms

TLSA

143ms

SOA

0ms

MTA-STS

198ms

DNSSEC

273ms

SRV

233ms

Total

1515ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:50:50	1515ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 11:01:15	9215ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 22:13:09	10119ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 18:16:37	9543ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 17:03:29	1273ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 14:54:58	1882ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 13:54:42	9346ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 12:01:44	3551ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 10:54:22	9986ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 10:38:00	11976ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 09:58:31	17526ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 09:05:19	11526ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 09:02:54	9429ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 07:42:18	6586ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 05:23:30	5851ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 21:21:48	5499ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 11:44:27	5766ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 21:52:01	6071ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 13:32:24	5588ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 23:38:13	2343ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 20:21:31	17600ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 22:09:07	25307ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 21:42:25	14023ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 21:24:17	17279ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 20:40:03	33266ms	2 NS 1 A 1 MX	🔒 Secure	View