rd-b.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.250.150.27 142.251.1.26 142.251.1.27 172.253.130.26 2a00:1450:4010:c1c::1a 2a00:1450:4010:c1c::1b 2a00:1450:4010:c1e::1b 2a00:1450:4010:c20::1a	la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net yulppbn-in-f26.1e100.net la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f27.1e100.net yulppbn-in-f26.1e100.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	162.159.135.42
🔶 Autoconfig	162.159.135.42

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 207ms

TXT Record
google-site-verification=-r0Z7HP3nd9Ui81UQjKhBXgCA7wRBRj8d6Dzb82Oaw8
google-site-verification=7zaM-Uj6kjpjcC8OU1ZXwROvN696ieTRw52FTQ4qI6U

✉️ 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.rd-b.dk	rd-b.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC79ms

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

🏷️ SOA0ms

Field	Value
Serial	2025111704
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

29ms

MX

40ms

AAAA

38ms

TXT

207ms

CAA

35ms

HTTPS

39ms

TLSA

76ms

SOA

0ms

MTA-STS

53ms

DNSSEC

79ms

SRV

56ms

Total

702ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:29:00	702ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 15:36:38	2218ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 10:01:37	716ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:45:34	699ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:02:12	6679ms	2 NS 1 A 1 MX	🔒 Secure	View