skulberg.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
dane.ns.cloudflare.com	108.162.193.97 172.64.33.97 173.245.59.97 2606:4700:58::adf5:3b61 2803:f800:50::6ca2:c161 2a06:98c1:50::ac40:2161	dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
heather.ns.cloudflare.com	108.162.192.161 172.64.32.161 173.245.58.161 2606:4700:50::adf5:3aa1 2803:f800:50::6ca2:c0a1 2a06:98c1:50::ac40:20a1	heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.168.20.20	300s	—	—	—	—	—	—

📧 MX Records1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.skulberg.dk	192.168.20.20	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	192.168.20.20
🔶 Autoconfig	192.168.20.20

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 215ms

TXT Record
v=spf1 a mx ip4:178.128.248.119 include:relay.mailchannels.net include:_spf.google.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (skulberg.dk)
~all (soft fail)	v=spf1 a mx ip4:178.128.248.119 include:relay.mailchannels.net include:_spf.google.com include:spf.protection.outlook.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2413777032
Primary NS (MNAME)	dane.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

61ms

A

44ms

MX

65ms

AAAA

41ms

TXT

215ms

CAA

52ms

HTTPS

49ms

TLSA

69ms

SOA

0ms

MTA-STS

65ms

DNSSEC

100ms

SRV

91ms

Total

593ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 08:45:43	593ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 10:00:04	1127ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 15:04:03	941ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 22:33:06	1147ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 17:56:49	603ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 06:35:03	653ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-17 11:37:03	1214ms	2 NS 1 A 1 MX	🔓 Insecure	View