guide.dk DNS records

🖥️ Nameservers4 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1371.awsdns-43.org	205.251.197.91 2600:9000:5305:5b00::1	ns-1371.awsdns-43.org ns-1371.awsdns-43.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1825.awsdns-36.co.uk	205.251.199.33 2600:9000:5307:2100::1	ns-1825.awsdns-36.co.uk ns-1825.awsdns-36.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-384.awsdns-48.com	205.251.193.128 2600:9000:5301:8000::1	ns-384.awsdns-48.com ns-384.awsdns-48.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-623.awsdns-13.net	205.251.194.111 2600:9000:5302:6f00::1	ns-623.awsdns-13.net ns-623.awsdns-13.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records2 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.246.173.251	60s	ec2-54-246-173-251.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.244.0.0/14	🇮🇪 Ireland	Dublin
54.74.53.117	60s	ec2-54-74-53-117.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.64.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records3 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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	3600s	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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 254ms

TXT Record
iDQspAtFjPD0vwit1efPckCg7zKNRvEN8VYNspUWXnp2fGkslAp+AwXyZchkhAHyQiGSF0Of3N2ob//yt6iL5w==
MS=ms23661629
PPIIiJ0yzAoOGPJkaHBn89MA4omCh/1jQhanaJfLmWuDDavkSXsz6NB/OO8U9Snyuk0m0/aZ6QnarCp09KzmPw==
v=spf1 include:_guide_dk.spf-protect.com -all

✉️ SPF

Policy	Record (guide.dk)
-all (hard fail)	v=spf1 include:_guide_dk.spf-protect.com -all

📨 DMARC

Policy	Record (_dmarc.guide.dk)
p=reject	v=DMARC1; p=reject; sp=reject; aspf=s; adkim=s; rua=mailto:68bed34f6da5b@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 88ms

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…

🔐 DNSSEC87ms

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	1
Primary NS (MNAME)	ns-1371.awsdns-43.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

58ms

MX

57ms

AAAA

58ms

TXT

254ms

CAA

63ms

HTTPS

65ms

TLSA

88ms

SOA

0ms

MTA-STS

87ms

DNSSEC

87ms

SRV

119ms

Total

910ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 17:50:54	910ms	4 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 10:01:11	2136ms	4 NS 2 A 3 MX	🔓 Insecure	View