thirtyeight.dk DNS records

🖥️ Nameservers2 records 109ms

Nameserver	IP addresses	PTR	ASN / ISP
kia.ns.cloudflare.com	108.162.192.179 172.64.32.179 173.245.58.179 2606:4700:50::adf5:3ab3 2803:f800:50::6ca2:c0b3 2a06:98c1:50::ac40:20b3	kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
malcolm.ns.cloudflare.com	108.162.195.81 162.159.44.81 172.64.35.81 2606:4700:58::a29f:2c51 2803:f800:50::6ca2:c351 2a06:98c1:50::ac40:2351	malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com malcolm.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 146ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.231	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.162	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records7 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	192.178.211.26 2404:6800:4013:813::1b	lcbomp-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx4.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.88.231
🔶 Autoconfig	172.67.153.162

🔷 AAAA Records (IPv6)2 records 103ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:58e7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:99a2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 96ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.231,172.67.153.162 ech=AEX+DQBBngAgACClX+1r+fDot1mbE5COyr0qlfxfrdJttivWWBo3kiSRaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:58e7,2606:4700:3035::ac43:99a2

📝 TXT Records1 records 284ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF

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

🔐 DNSSEC258ms

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

🏷️ SOA0ms

Field	Value
Serial	2412590280
Primary NS (MNAME)	kia.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

109ms

A

146ms

MX

92ms

AAAA

103ms

TXT

284ms

CAA

84ms

HTTPS

96ms

TLSA

8570ms

SOA

0ms

MTA-STS

156ms

DNSSEC

258ms

SRV

17650ms

Total

37461ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 07:41:56	37461ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-08-18 06:24:41	6499ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-08-10 00:37:04	2361ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-07-15 00:44:49	1934ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-23 06:00:16	1217ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-21 09:05:27	1634ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-17 15:17:58	1453ms	2 NS 2 A 7 MX	🔓 Insecure	View