readbooks.dk DNS records

🖥️ Nameservers3 records 84ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.27.60.227	86400s	srv.behandmade.eu	AS24940	Hetzner Online GmbH	37.27.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	srv.behandmade.eu	2a01:4f9:3081:2ecd::2 37.27.60.227	srv.behandmade.eu srv.behandmade.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)1 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f9:3081:2ecd::2	86400s	srv.behandmade.eu	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇫🇮 Finland	Helsinki

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 318ms

TXT Record
google-site-verification=g1vC_101nd0h7azXRioR94UFgVaDgSezyLi0zs9Rx5k
google-site-verification=tCLs9yVxx-fJBGhWQxVe1k1VO3MQegQ4kgRmXQlD04Y
v=spf1 ip4:37.27.60.227 ip6:2a01:4f9:3081:2ecd::2 mx -all

✉️ SPF

Policy	Record (readbooks.dk)
-all (hard fail)	v=spf1 ip4:37.27.60.227 ip6:2a01:4f9:3081:2ecd::2 mx -all

📨 DMARC

Policy	Record (_dmarc.readbooks.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:hostmaster@readbooks.dk; sp=quarantine; adkim=s; aspf=s

📬 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.readbooks.dk	lGfORw1j87VgjN11ICG2HRxp03XlxydPYKOXsHbBRK0

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC9100ms

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	2026060900
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

84ms

A

75ms

MX

51ms

AAAA

48ms

TXT

318ms

CAA

79ms

HTTPS

80ms

TLSA

200ms

SOA

0ms

MTA-STS

90ms

DNSSEC

9100ms

SRV

96ms

Total

9714ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 14:06:41	9714ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 10:07:11	4972ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 14:40:30	1204ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 13:22:12	928ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 13:13:38	929ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:04:24	919ms	3 NS 1 A 1 MX	🔓 Insecure	View