denn.dk DNS records

🖥️ Nameservers4 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records

🌍

No A records found

📧 MX Records4 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	denn-dk.p10.spamhero.com	209.41.68.142 216.172.106.29 216.172.106.29	bolt113b.mxthunder.net 29.0-26.106.172.216.in-addr.arpa bolt113a.mxthunder.net	AS13767 DataBank Holdings, Ltd. AS13354 zColo AS13354 zColo
20	600s	denn-dk.p20.spamhero.net	216.172.106.29 216.172.106.29	29.0-26.106.172.216.in-addr.arpa bolt113a.mxthunder.net	AS13354 zColo AS13354 zColo
30	600s	denn-dk.p30.spamhero.net	209.41.68.142	bolt113b.mxthunder.net	AS13767 DataBank Holdings, Ltd.
40	600s	denn-dk.p40.spamhero.net	209.41.68.142 216.172.106.29 216.172.106.29	bolt113b.mxthunder.net 29.0-26.106.172.216.in-addr.arpa bolt113a.mxthunder.net	AS13767 DataBank Holdings, Ltd. AS13354 zColo AS13354 zColo

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cool.denn.dk → 87.104.84.99

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 141ms

TXT Record
forward-email-port=2525
Sendinblue-code:030b96a1dbbb542b75767091c0b9bc3e
v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400
v=spf1 include:spf.sendinblue.com mx ~all

✉️ SPF

Policy	Record (denn.dk)
~all (soft fail)	v=spf1 include:spf.sendinblue.com mx ~all

📨 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

🔗 TLSA / DANE

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

🔐 DNSSEC170ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2022101300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

44ms

MX

85ms

AAAA

40ms

TXT

141ms

CAA

49ms

HTTPS

72ms

TLSA

720ms

SOA

0ms

MTA-STS

95ms

DNSSEC

170ms

SRV

76ms

Total

3591ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:20:38	3591ms	4 NS 0 A 4 MX	🔒 Secure	View
2026-06-17 01:56:14	3088ms	4 NS 0 A 4 MX	🔒 Secure	View