classic-books.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
bayan.ns.cloudflare.com	108.162.193.72 172.64.33.72 173.245.59.72 2606:4700:58::adf5:3b48 2803:f800:50::6ca2:c148 2a06:98c1:50::ac40:2148	bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
fay.ns.cloudflare.com	108.162.192.115 172.64.32.115 173.245.58.115 2606:4700:50::adf5:3a73 2803:f800:50::6ca2:c073 2a06:98c1:50::ac40:2073	fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.113	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.233	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records7 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ASPMX.L.GOOGLE.com	2a00:1450:4025:c01::1a 74.125.205.27	rd-in-f26.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	ALT1.ASPMX.L.GOOGLE.com	192.178.211.27 2404:6800:4013:813::1b	lcbomp-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	ALT2.ASPMX.L.GOOGLE.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	ASPMX2.GOOGLEMAIL.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	ASPMX3.GOOGLEMAIL.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	ASPMX4.GOOGLEMAIL.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	ASPMX5.GOOGLEMAIL.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:f71	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cde9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.113,172.67.205.233 ech=AEX+DQBBBgAgACBEL2kTc7t0No4sUAg1lNvXQizBjLJ7M2y7TwDjxpjiUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:f71,2606:4700:3035::ac43:cde9

📝 TXT Records1 records 145ms

TXT Record
google-site-verification=OYvR7Q57eFvZp9Ke6vNo3Y8AI2M310s_ykFuQ9eniFE

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC103ms

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	2413611470
Primary NS (MNAME)	bayan.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

35ms

A

31ms

MX

28ms

AAAA

42ms

TXT

145ms

CAA

31ms

HTTPS

34ms

TLSA

113ms

SOA

0ms

MTA-STS

47ms

DNSSEC

103ms

SRV

47ms

Total

3044ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 19:33:27	3044ms	2 NS 2 A 7 MX	🔓 Insecure	View
2026-08-27 08:47:22	3407ms	2 NS 2 A 7 MX	🔓 Insecure	View
2026-08-11 01:57:29	10616ms	2 NS 2 A 7 MX	🔓 Insecure	View
2026-07-03 17:44:26	1593ms	2 NS 2 A 7 MX	🔓 Insecure	View
2026-06-21 22:04:54	746ms	2 NS 2 A 7 MX	🔓 Insecure	View
2026-06-16 21:05:45	627ms	2 NS 2 A 7 MX	🔓 Insecure	View