rul-let.dk DNS records

🖥️ Nameservers4 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	3600s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records3 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	80.92.65.188
🔶 Autoconfig	80.92.65.188

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 327ms

TXT Record
m6l2/KM5hwJt4NG7pRetTpJx4yrho48B//Rk+3Mmk9vRWm7dtfg75q46hMwPpeIt78uGSWL2jWf+KjTAYZsHHw==
MS=ms13226615
v=spf1 include:_spf71660.spf-protect.dk -all
wrike-verification=MTYzODA0NTo2NDU4MTIwOTY4ODcxNWMzYTViZGM2MDg3MWUwZWZkYmUzYTljYTY5NDQ5ODU2MzliNzQzODA1YjY3ZDIzZjVh

✉️ SPF

Policy	Record (rul-let.dk)
-all (hard fail)	v=spf1 include:_spf71660.spf-protect.dk -all

📨 DMARC

Policy	Record (_dmarc.rul-let.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:672c74a48fcd8@dmarc-dk.centerasecurity.com;

📬 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 / DANE6 records 98ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC161ms

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

🏷️ SOA0ms

Field	Value
Serial	2025052383
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

42ms

MX

46ms

AAAA

61ms

TXT

327ms

CAA

64ms

HTTPS

74ms

TLSA

98ms

SOA

0ms

MTA-STS

75ms

DNSSEC

161ms

SRV

105ms

Total

1323ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:26:43	1323ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-22 06:17:34	2282ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-21 05:59:04	2983ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-09 10:14:39	25254ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-02 23:33:16	25110ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-16 15:56:06	10366ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-01 20:34:09	1079ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 22:20:48	820ms	4 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-20 03:03:16	1494ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 13:59:15	3132ms	4 NS 1 A 3 MX	🔒 Secure	View