holstsikkerhed.dk DNS records

🖥️ Nameservers2 records 147ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.messagingengine.com	162.159.24.178	ns1.messagingengine.com	AS13335 Cloudflare, Inc.
ns2.messagingengine.com	162.159.25.191	ns2.messagingengine.com	AS13335 Cloudflare, Inc.

🌍 A Records1 records 153ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.129.62.162	3600s	—	AS57860	Zencurity ApS	185.129.62.0/23	🇩🇰 Denmark	—

📧 MX Records2 records 164ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eu1-smtp.messagingengine.com	204.75.18.216 204.75.18.217	ams-mx-01.messagingengine.com ams-mx-02.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	3600s	eu2-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)1 records 155ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:d380:0:106::162	3600s	—	AS57860	Zencurity ApS	2a06:d380:0:0:0:0:0:0/29	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 396ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	autodiscover.fastmail.com
_imaps._tcp	0	1	993	imap.fastmail.com

📝 TXT Records2 records 1050ms

TXT Record
google-site-verification=FS5WYxoo0e4bXmfniWf_ZAaYqH029JWEMCUAWKTycL4
v=spf1 include:spf.messagingengine.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.holstsikkerhed.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@holstsikkerhed.dk

📬 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)

🔐 DNSSEC185ms

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	2026080500
Primary NS (MNAME)	ns1.messagingengine.com
Responsible (RNAME)	postmaster@messagingengine.com
Refresh	86310s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

147ms

A

153ms

MX

164ms

AAAA

155ms

TXT

1050ms

CAA

150ms

HTTPS

146ms

TLSA

413ms

SOA

0ms

MTA-STS

260ms

DNSSEC

185ms

SRV

396ms

Total

2248ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 01:36:11	2248ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-06 06:27:01	2899ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-06 14:30:11	8697ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-03 10:53:20	3083ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 02:43:51	1602ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-20 02:44:43	3573ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 11:38:56	1416ms	2 NS 1 A 2 MX	🔓 Insecure	View