rcs-messaging.dk DNS records

🖥️ Nameservers2 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stan.ns.cloudflare.com	108.162.193.235 172.64.33.235 173.245.59.235 2606:4700:58::adf5:3beb 2803:f800:50::6ca2:c1eb 2a06:98c1:50::ac40:21eb	stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.129	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.151	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 80ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:5381	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:b097	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 88ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.129,172.67.176.151 ech=AEX+DQBBsgAgACB0d9OvhA4rhi8yZlNzDh0gbAseAD3arMfEwKVIktGJdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:5381,2606:4700:3037::ac43:b097

📝 TXT Records1 records 393ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (rcs-messaging.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.rcs-messaging.dk)
p=reject	v=DMARC1; p=reject; sp=reject; 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

🔗 TLSA / DANE

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

🔐 DNSSEC220ms

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

🏷️ SOA0ms

Field	Value
Serial	2413385588
Primary NS (MNAME)	lucy.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

76ms

A

69ms

MX

110ms

AAAA

80ms

TXT

393ms

CAA

69ms

HTTPS

88ms

TLSA

217ms

SOA

0ms

MTA-STS

123ms

DNSSEC

220ms

SRV

152ms

Total

1831ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 14:19:16	1831ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 23:33:19	631ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 06:56:07	509ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-15 01:30:46	16677ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-23 02:36:12	10388ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-14 16:22:56	897ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-29 10:50:32	1135ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-27 08:02:48	1871ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 22:51:41	796ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 06:41:56	895ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 01:43:39	490ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 15:56:14	663ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 12:07:04	1398ms	2 NS 2 A 0 MX	🔓 Insecure	View