rlm.dk DNS records

🖥️ Nameservers2 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
coco.ns.cloudflare.com	108.162.192.104 172.64.32.104 173.245.58.104 2606:4700:50::adf5:3a68 2803:f800:50::6ca2:c068 2a06:98c1:50::ac40:2068	coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
huxley.ns.cloudflare.com	108.162.195.188 162.159.44.188 172.64.35.188 2606:4700:58::a29f:2cbc 2803:f800:50::6ca2:c3bc 2a06:98c1:50::ac40:23bc	huxley.ns.cloudflare.com huxley.ns.cloudflare.com huxley.ns.cloudflare.com huxley.ns.cloudflare.com huxley.ns.cloudflare.com huxley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.20.156	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.44	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.193.44
🔶 Autoconfig	104.21.20.156

🔷 AAAA Records (IPv6)2 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:149c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c12c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 85ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.20.156,172.67.193.44 ech=AEX+DQBBrAAgACAvQe/2yNFntQmFqE9JRpDNmK4ItovIcqJ9LM87j5hiDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:149c,2606:4700:3037::ac43:c12c

🔌 SRV Records1 records 115ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 266ms

TXT Record
v=spf1 -all
v=spf1 include:spf.simply.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (rlm.dk)
-all (hard fail)	v=spf1 -all
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.rlm.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:93adafb8389349e79ef7d151e03b861d@dmarc-reports.cloudflare.net

📬 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 / DANE2 records 91ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC209ms

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	2412769570
Primary NS (MNAME)	coco.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

67ms

A

65ms

MX

59ms

AAAA

62ms

TXT

266ms

CAA

57ms

HTTPS

85ms

TLSA

91ms

SOA

0ms

MTA-STS

90ms

DNSSEC

209ms

SRV

115ms

Total

1568ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 02:49:57	1568ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 02:46:30	10218ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 04:02:50	9441ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 11:55:21	1202ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 00:41:37	614ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-17 11:41:39	1338ms	2 NS 2 A 1 MX	🔓 Insecure	View