rsd-online.dk DNS records

🖥️ Nameservers2 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
carl.ns.cloudflare.com	108.162.193.106 172.64.33.106 173.245.59.106 2606:4700:58::adf5:3b6a 2803:f800:50::6ca2:c16a 2a06:98c1:50::ac40:216a	carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dahlia.ns.cloudflare.com	108.162.192.89 172.64.32.89 173.245.58.89 2606:4700:50::adf5:3a59 2803:f800:50::6ca2:c059 2a06:98c1:50::ac40:2059	dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 1089ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.rsd-online.dk	188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1	— — — —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	188.114.96.1
🔶 Autoconfig	188.114.97.1

🔷 AAAA Records (IPv6)2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records1 records 82ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBRgAgACDpaVSZn5g//DqzJxZSTSVVbUbJ8cCMD/K6IRQm/w/jdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records

📝

No TXT records found

✉️ 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)

🔐 DNSSEC9098ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA74ms

Field	Value
Serial	2411300425
Primary NS (MNAME)	carl.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

73ms

A

1089ms

MX

74ms

AAAA

72ms

TXT

211ms

CAA

87ms

HTTPS

82ms

TLSA

306ms

SOA

74ms

MTA-STS

80ms

DNSSEC

9098ms

SRV

1070ms

Total

26139ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 19:08:56	26139ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 15:26:37	1134ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-28 20:55:48	9930ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-26 11:48:49	1225ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 11:51:09	774ms	2 NS 2 A 1 MX	🔓 Insecure	View