buildheart.dk

📜 Historical scan 2026-06-16 17:40:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buildheart.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 11 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.183 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 107ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 117ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.183	—	linux293.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

5 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	64.233.164.27	lf-in-f27.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	142.250.147.26	rd-in-f26.1e100.net	AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26	yunrtab-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 192ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (buildheart.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.buildheart.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-10 21:21:49

www	93.191.156.183 (AS48854) (address records, no CNAME)
www vs bare domain	Same network buildheart.dk: 93.191.156.183 (AS48854) www.buildheart.dk: 93.191.156.183 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

226ms

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

🏷️ SOA#

111ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 17:55:31

Field	Value
Registrar	Simply.com A/S
Registered	2019-03-11
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

107ms

117ms

122ms

AAAA

110ms

TXT

192ms

CAA

119ms

HTTPS

119ms

TLSA

41ms

SOA

111ms

MTA-STS

40ms

DNSSEC

226ms

SRV

0ms

Total

652ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 17:25:28	448ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-19 15:27:03	864ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-11 14:54:36	640ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-27 18:28:12	952ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-27 00:54:46	2080ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 17:44:21	492ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 17:40:29 shown	652ms	4 NS 1 A 5 MX	🔒 Secure