heptagon.dk

📜 Historical scan 2026-06-23 17:01:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heptagon.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.236.62.147 is hosted by Google LLC (AS396982) in United States. Mail is handled by heptagon-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	3600s	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	heptagon-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.27 52.101.68.39 52.101.73.12 52.101.73.15	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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

📝 TXT Records#

1 records 166ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (heptagon.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 19:38:27

www	23.236.62.147 (AS396982) (address records, no CNAME)
www vs bare domain	Same network heptagon.dk: 23.236.62.147 (AS396982) www.heptagon.dk: 23.236.62.147 (AS396982)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026030501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-09 11:09:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-11-21
Expires	2026-12-31 (66d)

📋 WHOIS#

⏱️ Lookup Timing#

72ms

36ms

43ms

AAAA

36ms

TXT

166ms

CAA

36ms

HTTPS

37ms

TLSA

244ms

SOA

41ms

MTA-STS

38ms

DNSSEC

62ms

SRV

99ms

Total

783ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 19:38:27	1310ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 07:15:28	1396ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 04:55:12	1424ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:49:26	588ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 22:04:10	911ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:23:50	1307ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 02:11:23	2792ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 17:01:34 shown	783ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:21:30	877ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:18:01	960ms	2 NS 1 A 1 MX	🔒 Secure