thirtyseven.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
carrera.ns.cloudflare.com	108.162.194.231 162.159.38.231 172.64.34.231 2606:4700:50::a29f:26e7 2803:f800:50::6ca2:c2e7 2a06:98c1:50::ac40:22e7	carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
salvador.ns.cloudflare.com	108.162.195.100 162.159.44.100 172.64.35.100 2606:4700:58::a29f:2c64 2803:f800:50::6ca2:c364 2a06:98c1:50::ac40:2364	salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.185	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.97	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	173.194.220.27 173.194.221.26 173.194.221.27 173.194.222.26 173.194.222.27 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lk-in-x1a.1e100.net lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-x1b.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2eb9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:8d61	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.185,172.67.141.97 ech=AEX+DQBBSwAgACB8hS7XGTvwvsw2I2tpNnL/N/Dx/JBih2q1hmm6BxbXYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2eb9,2606:4700:3031::ac43:8d61

📝 TXT Records2 records 176ms

TXT Record
google-site-verification=LWN8YFbM9nTjsVBJPnP1fjRMFPyk1Y1CPBOccMq2Iws
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (thirtyseven.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.thirtyseven.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:15e5908b864e4670b2ba8feb44c433c3@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC87ms

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	2413122515
Primary NS (MNAME)	carrera.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

25ms

A

55ms

MX

31ms

AAAA

47ms

TXT

176ms

CAA

40ms

HTTPS

49ms

TLSA

118ms

SOA

0ms

MTA-STS

61ms

DNSSEC

87ms

SRV

65ms

Total

819ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:47:34	819ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 12:14:00	615ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 19:49:07	1111ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-07 11:35:14	2783ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-13 03:15:39	1621ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 07:04:09	887ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 15:27:27	1059ms	2 NS 2 A 1 MX	🔓 Insecure	View