heartbook.dk

📜 Historical scan 2026-08-09 12:04:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heartbook.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.159 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.improvmx.com, mx2.improvmx.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 50ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.159	3600s	webcluster1.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	77.111.240.150
🔶 Autoconfig	77.111.240.150

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 00:08:38

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network heartbook.dk: 195.47.247.18 (AS51468) www.heartbook.dk: 195.47.247.18 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2075ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026061705
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 2026-10-17 00:22:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-02-08
Expires	2027-02-28 (133d)

🔗 Same registrant#

15 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aianalyse.dk	Punktum dk A/S (direct)
aiarts.dk	Punktum dk A/S (direct)
ailoesninger.dk	Punktum dk A/S (direct)
ailøsninger.dk	Punktum dk A/S (direct)
anajohnsson.dk	Punktum dk A/S (direct)
biblioteks-ai.dk	ONE.COM A/S
biblioteksai.dk	ONE.COM A/S
biblo-ai.dk	ONE.COM A/S
bibloai.dk	ONE.COM A/S
jfw.dk	Punktum dk A/S (direct)
jfwdata.dk	Punktum dk A/S (direct)
jonathanworm.dk	Punktum dk A/S (direct)
skrigeskinken.dk	Punktum dk A/S (direct)
smukhjemmeside.dk	ONE.COM A/S
starseeds.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

57ms

47ms

AAAA

56ms

TXT

194ms

CAA

42ms

HTTPS

64ms

TLSA

71ms

SOA

42ms

MTA-STS

81ms

DNSSEC

2075ms

SRV

78ms

Total

7187ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 00:08:37	1613ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-14 21:27:25	522ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-09 11:04:15	2028ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-26 05:42:44	738ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-18 14:10:46	1440ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-17 08:10:52	6214ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-09 12:04:55 shown	7187ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 18:04:38	698ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 18:55:45	673ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 23:24:05	1386ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:07:44	1177ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:04:51	1144ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:03:45	1310ms	2 NS 1 A 2 MX	🔒 Secure