gerluf.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ada.ns.cloudflare.com	108.162.192.54 172.64.32.54 173.245.58.54 2606:4700:50::adf5:3a36 2803:f800:50::6ca2:c036 2a06:98c1:50::ac40:2036	ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nico.ns.cloudflare.com	108.162.195.147 162.159.44.147 172.64.35.147 2606:4700:58::a29f:2c93 2803:f800:50::6ca2:c393 2a06:98c1:50::ac40:2393	nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records2 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBCAAgACB9FfRnKA7jeUIm9OoafLVmC8E3OPLaXiUw6N/undHUVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records2 records 231ms

TXT Record
protonmail-verification=758e95090879ea3a6be3d6c11320d1fddc8aa037
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (gerluf.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.gerluf.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 8086ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC135ms

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	2411011545
Primary NS (MNAME)	ada.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

55ms

A

34ms

MX

50ms

AAAA

60ms

TXT

231ms

CAA

54ms

HTTPS

59ms

TLSA

8086ms

SOA

0ms

MTA-STS

106ms

DNSSEC

135ms

SRV

121ms

Total

9193ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 05:19:45	5643ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-01 01:31:24	9193ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-22 21:56:15	26767ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 18:26:44	995ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-24 02:08:44	4520ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 16:01:25	1158ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 05:37:36	685ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 09:37:01	879ms	2 NS 2 A 2 MX	🔓 Insecure	View