byggeriogenergi.dk

📜 Historical scan 2026-10-05 21:41:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byggeriogenergi.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 29 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.74.195 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mx.spamfilter.io. 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#

2 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records#

1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.74.195	3600s	vps207.rackhosting.com vps464.rackhosting.com	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 46.36.209.50

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 733ms

TXT Record
v=spf1 ip4:212.237.249.81 ip4:91.197.248.4 ip4:91.197.248.3 include:spf.spamfilter.io include:_spf.createsend.com include:spf.scannet.dk include:20113210.spf05.hubspotemail.net -all

✉️ SPF#

Policy	Record (byggeriogenergi.dk)
-all (hard fail)	v=spf1 ip4:212.237.249.81 ip4:91.197.248.4 ip4:91.197.248.3 include:spf.spamfilter.io include:_spf.createsend.com include:spf.scannet.dk include:20113210.spf05.hubspotemail.net -all

📨 DMARC#

Policy	Record (_dmarc.byggeriogenergi.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.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 2026-10-25 17:47:01

www CNAME	byggeriogenergi.dk (all on byggeriogenergi.dk) → 77.247.74.195 (AS31590)
www vs bare domain	Same network byggeriogenergi.dk: 77.247.74.195 (AS31590) www.byggeriogenergi.dk: 77.247.74.195 (AS31590)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 194ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

159ms

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

🏷️ SOA#

73ms

Field	Value
Serial	4871
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-24 14:27:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-10-29
Expires	2029-10-31 (1100d)

🔗 Same registrant#

1,817 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
1001fortaellinger.dk	Punktum dk A/S (direct)
1001fortællinger.dk	Punktum dk A/S (direct)
1001stories.dk	Punktum dk A/S (direct)
1001tales.dk	Punktum dk A/S (direct)
1fm-intranet.dk	Statens It
1fm.dk	Punktum dk A/S (direct)
2025denmark.dk	Punktum dk A/S (direct)
2025eu.dk	Punktum dk A/S (direct)
25fantastiske.dk	Punktum dk A/S (direct)
33980000.dk	Punktum dk A/S (direct)
3gf.dk	Punktum dk A/S (direct)
aabenhedsordning.dk	Punktum dk A/S (direct)
aaop.dk	Punktum dk A/S (direct)
aapost.dk	Punktum dk A/S (direct)
academycouncil.dk	Punktum dk A/S (direct)
addom.dk	Punktum dk A/S (direct)
adfaerdsprincipper.dk	Punktum dk A/S (direct)
adfærdsprincipper.dk	Punktum dk A/S (direct)
adgangforalle.dk	Punktum dk A/S (direct)
adressebrug.dk	Punktum dk A/S (direct)
adresseret.dk	Punktum dk A/S (direct)
adressetip.dk	Punktum dk A/S (direct)
aeldre.dk	Punktum dk A/S (direct)
aeldreform.dk	Punktum dk A/S (direct)
aeldremin.dk	Punktum dk A/S (direct)
aeldreministeriet.dk	Punktum dk A/S (direct)
aeldrereform.dk	Punktum dk A/S (direct)
aeldrereformen.dk	Punktum dk A/S (direct)
affaldssorteringnytter.dk	Punktum dk A/S (direct)
aflk.dk	Statens It
ai-test.dk	Punktum dk A/S (direct)
airpassenger.dk	Punktum dk A/S (direct)
akademiraadet.dk	Punktum dk A/S (direct)
akkr.dk	Punktum dk A/S (direct)
alderstjek.dk	Punktum dk A/S (direct)
aldersverifikation.dk	Punktum dk A/S (direct)
aldertjek.dk	Punktum dk A/S (direct)
alt-id.dk	Punktum dk A/S (direct)
altid.dk	Statens It
altomforbrug.dk	Punktum dk A/S (direct)
altomkaeledyr.dk	Punktum dk A/S (direct)
altomkæledyr.dk	Punktum dk A/S (direct)
ambassade.dk	Punktum dk A/S (direct)
ambassadeoversigt.dk	Punktum dk A/S (direct)
amff.dk	Punktum dk A/S (direct)
ami.dk	Punktum dk A/S (direct)
amid.dk	Punktum dk A/S (direct)
amkom.dk	Punktum dk A/S (direct)
amr.dk	Punktum dk A/S (direct)
anke-energi.dk	Punktum dk A/S (direct)
ankl.dk	Punktum dk A/S (direct)
anklagemyndighedenupdate.dk	Punktum dk A/S (direct)
anklagerupdate.dk	Punktum dk A/S (direct)
anskaffelsesguiden.dk	Punktum dk A/S (direct)
antennedatabase.dk	Punktum dk A/S (direct)
antennedatabasen.dk	Punktum dk A/S (direct)
antennerne-ude.dk	Punktum dk A/S (direct)
antennerneude.dk	Punktum dk A/S (direct)
appollon.dk	Punktum dk A/S (direct)
arbejdsmarkedsbalancen.dk	Punktum dk A/S (direct)
arbejdsmarkedskommissionen.dk	Punktum dk A/S (direct)
arbejdsmiljo.dk	Punktum dk A/S (direct)
arbejdsmiljoeprisen.dk	Punktum dk A/S (direct)
arbejdsmiljoviden.dk	Punktum dk A/S (direct)
arbejdsretten.dk	Punktum dk A/S (direct)
arbejdstilsynet.dk	Punktum dk A/S (direct)
artikelimportborger.dk	Punktum dk A/S (direct)
artisticresearch.dk	Punktum dk A/S (direct)
artportalen.dk	Punktum dk A/S (direct)
arts-portal.dk	Punktum dk A/S (direct)
artsdata.dk	Punktum dk A/S (direct)
at-cloud.dk	Punktum dk A/S (direct)
at-kørebog.dk	Punktum dk A/S (direct)
at.dk	Punktum dk A/S (direct)
atbm-cloud.dk	Punktum dk A/S (direct)
atkoerebog.dk	Punktum dk A/S (direct)
atkorebog.dk	Punktum dk A/S (direct)
atkørebog.dk	Punktum dk A/S (direct)
atp-anke.dk	Punktum dk A/S (direct)
autorisationsregister.dk	Punktum dk A/S (direct)
autorisationsregisteret.dk	Punktum dk A/S (direct)
autorisationsregistret.dk	Punktum dk A/S (direct)
autreg.dk	Punktum dk A/S (direct)
b0rger.dk	Punktum dk A/S (direct)
babykemi.dk	Punktum dk A/S (direct)
baeb.dk	Punktum dk A/S (direct)
baebm.dk	Punktum dk A/S (direct)
bdktest.dk	Punktum dk A/S (direct)
bedreinnovation.dk	Punktum dk A/S (direct)
bedst-paa-nettet.dk	Punktum dk A/S (direct)
bedstpaanettet.dk	Punktum dk A/S (direct)
bedstpånettet.dk	Punktum dk A/S (direct)
beredskabsministeriet.dk	Punktum dk A/S (direct)
beredskabsuge.dk	Punktum dk A/S (direct)
beredskabsugen.dk	Punktum dk A/S (direct)
beskyttedenaturtyper.dk	Punktum dk A/S (direct)
bestillingsapplikation.dk	Punktum dk A/S (direct)
bfmp.dk	Punktum dk A/S (direct)
bibliotekernesprojektbank.dk	Punktum dk A/S (direct)
bibliotekogmedier.dk	Punktum dk A/S (direct)

Showing 100 of 1,817.

📋 WHOIS#

⏱️ Lookup Timing#

85ms

74ms

75ms

AAAA

97ms

TXT

733ms

CAA

82ms

HTTPS

94ms

TLSA

194ms

SOA

73ms

MTA-STS

145ms

DNSSEC

159ms

SRV

358ms

Total

17567ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 17:47:01	3528ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-24 13:56:13	1987ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-22 06:43:29	5858ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-20 16:17:32	5178ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 13:52:55	19432ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 13:21:39	17498ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 11:59:44	17590ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 10:34:41	2789ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 09:08:06	6336ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 07:48:03	5261ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 07:34:15	10038ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 06:08:08	1134ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 05:11:41	1759ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 03:35:50	3146ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 00:02:57	17965ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 23:58:05	9616ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 23:55:58	18674ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 21:41:39 shown	17567ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 21:35:59	5327ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 21:30:07	3328ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 21:27:56	18413ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 21:25:05	17902ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 21:22:41	1627ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:15:28	17590ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 21:02:32	9453ms	2 NS 1 A 1 MX	🔒 Secure