thomasl.dk DNS records

🖥️ Nameservers2 records 133ms

Nameserver	IP addresses	PTR	ASN / ISP
holly.ns.cloudflare.com	108.162.194.133 162.159.38.133 172.64.34.133 2606:4700:50::a29f:2685 2803:f800:50::6ca2:c285 2a06:98c1:50::ac40:2285	holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
howard.ns.cloudflare.com	108.162.195.171 162.159.44.171 172.64.35.171 2606:4700:58::a29f:2cab 2803:f800:50::6ca2:c3ab 2a06:98c1:50::ac40:23ab	howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.174	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.37	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 162ms

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 165ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9225	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:aae	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 143ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.174,172.67.146.37 ech=AEX+DQBB1gAgACDCCX6v7DRi76fBlL4CFUL5Hh4ikG+EtPXCyRTzGZwHFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9225,2606:4700:3035::6815:aae

📝 TXT Records2 records 445ms

TXT Record
protonmail-verification=fd8c50d772843740f89615ac8a5a58e4aae21cde
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.thomasl.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.thomasl.dk	4RDcAlNA6GScm4o21YiN6LF1Q4NuM7AdtLAFYOaiFtQ
TXT	_acme-challenge.thomasl.dk	XJNrRvhsZJZi_ECRggRCk9wrfccfaJAQ8w7lWrxkVCM

🔗 TLSA / DANE4 records 423ms

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

🔐 DNSSEC296ms

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

🏷️ SOA0ms

Field	Value
Serial	2413432784
Primary NS (MNAME)	holly.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

133ms

A

79ms

MX

162ms

AAAA

165ms

TXT

445ms

CAA

122ms

HTTPS

143ms

TLSA

423ms

SOA

0ms

MTA-STS

162ms

DNSSEC

296ms

SRV

215ms

Total

1854ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 13:37:11	1854ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-28 10:16:25	663ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-27 10:09:10	1463ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-25 14:45:31	3174ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-19 00:24:31	8915ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-12 01:25:15	3269ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-19 04:08:19	3638ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-27 04:28:22	1104ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-21 01:21:45	686ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-18 07:06:44	972ms	2 NS 2 A 2 MX	🔒 Secure	View