tullberg.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
achiel.ns.cloudflare.com	108.162.195.123 162.159.44.123 172.64.35.123 2606:4700:58::a29f:2c7b 2803:f800:50::6ca2:c37b 2a06:98c1:50::ac40:237b	achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nola.ns.cloudflare.com	108.162.192.212 172.64.32.212 173.245.58.212 2606:4700:50::adf5:3ad4 2803:f800:50::6ca2:c0d4 2a06:98c1:50::ac40:20d4	nola.ns.cloudflare.com nola.ns.cloudflare.com nola.ns.cloudflare.com nola.ns.cloudflare.com nola.ns.cloudflare.com nola.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.211.194	3600s	static.194.211.243.136.clients.your-server.de	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	tullberg.dk	136.243.211.194	static.194.211.243.136.clients.your-server.de	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 179ms

TXT Record
v=spf1 a mx ip4:136.243.211.194 ~all

✉️ SPF

Policy	Record (tullberg.dk)
~all (soft fail)	v=spf1 a mx ip4:136.243.211.194 ~all

📨 DMARC

Policy	Record (_dmarc.tullberg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC113ms

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	2411836522
Primary NS (MNAME)	achiel.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

54ms

A

49ms

MX

45ms

AAAA

45ms

TXT

179ms

CAA

41ms

HTTPS

33ms

TLSA

96ms

SOA

0ms

MTA-STS

66ms

DNSSEC

113ms

SRV

124ms

Total

896ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 17:49:37	896ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 16:26:43	992ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 22:03:09	822ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 14:32:41	772ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 18:37:39	8192ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 19:01:16	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:02:14	647ms	2 NS 1 A 1 MX	🔓 Insecure	View