realerhverv.dk DNS records

🖥️ Nameservers2 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kyle.ns.cloudflare.com	108.162.195.111 162.159.44.111 172.64.35.111 2606:4700:58::a29f:2c6f 2803:f800:50::6ca2:c36f 2a06:98c1:50::ac40:236f	kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.76	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.241	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 104ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx20.check4spam.dk	154.59.193.124 2001:978:2:6::f:124	fe3-r3-in.du01.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
10	300s	mx30.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS43054 N-able Acquisition Company B.V. AS174 Cogent Communications, LLC
10	300s	mx40.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS43054 N-able Acquisition Company B.V. AS174 Cogent Communications, LLC

🔷 AAAA Records (IPv6)2 records 174ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:a1f1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:f4c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 116ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.76,172.67.161.241 ech=AEX+DQBBzAAgACDHpwnbqQRrQxFsGzA/yaOSD5TTc2/1Vd5JMCQghbIcfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a1f1,2606:4700:3037::6815:f4c

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.realerhverv.dk	-IIOLDoba3l7KnH2Bda-8YSD_kxpApFM61suw6usrkU
TXT	_acme-challenge.realerhverv.dk	U0ppgRskQC9ArxTgjm5JY9nDdQuHHE8Nq25LFlhesFY

🔗 TLSA / DANE

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

🔐 DNSSEC392ms

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	2413610213
Primary NS (MNAME)	dana.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

103ms

A

112ms

MX

104ms

AAAA

174ms

TXT

429ms

CAA

135ms

HTTPS

116ms

TLSA

283ms

SOA

0ms

MTA-STS

242ms

DNSSEC

392ms

SRV

180ms

Total

2165ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 17:28:01	2165ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-26 07:09:25	9636ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-18 23:36:42	6843ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-20 15:34:35	1942ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-20 00:02:42	4181ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 13:54:16	3552ms	2 NS 2 A 3 MX	🔓 Insecure	View