heissel.dk DNS records

🖥️ Nameservers4 records 29ms

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 Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.130.143.234	600s	server.uniquepixels.dk	AS24940	Hetzner Online GmbH	94.130.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	heissel-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::5 2a01:111:f403:ca09::a 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.36 52.101.73.1 52.101.73.123	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 200ms

TXT Record
_globalsign-domain-verification=mgZSqbGbNTw4cfHdw7RjAnaLdAzleqX0sA4eZVHqRk
MS=ms12738088
v=spf1 include:spf.protection.outlook.com +ip4:94.130.143.234 +include:spf.azehosting.net -all

✉️ SPF

Policy	Record (heissel.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com +ip4:94.130.143.234 +include:spf.azehosting.net -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)

🔐 DNSSEC118ms

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

🏷️ SOA0ms

Field	Value
Serial	2025120303
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

29ms

A

44ms

MX

50ms

AAAA

39ms

TXT

200ms

CAA

33ms

HTTPS

57ms

TLSA

657ms

SOA

0ms

MTA-STS

104ms

DNSSEC

118ms

SRV

64ms

Total

1367ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:21:06	1367ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 00:10:57	754ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 23:56:05	3091ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:16:16	919ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:11:35	1966ms	4 NS 1 A 1 MX	🔒 Secure	View