ibo-brobygning.dk

📜 Historical scan 2026-10-02 19:03:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ibo-brobygning.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, micah.ns.cloudflare.com). It was registered on 29 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.41.8.51 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by ibobrobygning-dk0i.mail.protection.outlook.com. 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 161ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com	108.162.193.206 172.64.33.206 173.245.59.206 2606:4700:58::adf5:3bce 2803:f800:50::6ca2:c1ce 2a06:98c1:50::ac40:21ce	micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.41.8.51	300s	—	AS3292	TDC Holding A/S	195.41.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 147ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ibobrobygning-dk0i.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca21::10 2a01:111:f403:ca48::c 2a01:111:f403:ca48::e 52.101.103.39 52.101.185.114 52.101.185.21 52.101.73.126	mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 506ms

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

✉️ SPF#

Policy	Record (ibo-brobygning.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:post.tietgen.dk -all

📨 DMARC#

Policy	Record (_dmarc.ibo-brobygning.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:69f41c52b33a4c4b8857ca6d99fb3a49@dmarc-reports.cloudflare.net

📬 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 2026-10-18 23:36:26

www CNAME	ibo-brobygning.dk (all on ibo-brobygning.dk) → 195.41.8.51 (AS3292)
www vs bare domain	Same network ibo-brobygning.dk: 195.41.8.51 (AS3292) www.ibo-brobygning.dk: 195.41.8.51 (AS3292)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ibobrobygning-dk0i._domainkey.tietgen365.onmicrosoft.com	RSA · ~2048 bit

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: 2/10 · policy: -all

error include:post.tietgen.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ibo-brobygning.dk	D7KsHi2Fa20FkvfOUN5fg5Rm7oozPlOw_yxXisDiKEc
TXT	_acme-challenge.ibo-brobygning.dk	l-SlZO2P1oAEd60QrOUzdyC10a9NfEyaPaj1uxalRBQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

324ms

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

🏷️ SOA#

128ms

Field	Value
Serial	2416288935
Primary NS (MNAME)	lucy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 23:55:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-05-29
Expires	2027-05-31 (215d)

🔗 Same registrant#

74 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
amuledelse.dk	Punktum dk A/S (direct)
amuonline.dk	Punktum dk A/S (direct)
aspit-odense.dk	Punktum dk A/S (direct)
audiguiden.dk	Punktum dk A/S (direct)
auguiden.dk	Punktum dk A/S (direct)
auledelse.dk	Punktum dk A/S (direct)
boghandleruddannelsen.dk	Punktum dk A/S (direct)
businessviden.dk	Punktum dk A/S (direct)
ciuud.dk	Punktum dk A/S (direct)
core2020.dk	Punktum dk A/S (direct)
dmnø.dk	Punktum dk A/S (direct)
e2e-syd.dk	Punktum dk A/S (direct)
etietgen.dk	Punktum dk A/S (direct)
eventuddannelsen.dk	Punktum dk A/S (direct)
forfremtiden.dk	Punktum dk A/S (direct)
fvuonline.dk	Punktum dk A/S (direct)
gymodense.dk	Punktum dk A/S (direct)
hca-stx.dk	Punktum dk A/S (direct)
hcagymnasium.dk	Punktum dk A/S (direct)
hcastx.dk	Punktum dk A/S (direct)
hg-odense.dk	Punktum dk A/S (direct)
hhx-odense.dk	Punktum dk A/S (direct)
hhxfyn.dk	Punktum dk A/S (direct)
hs-stu.dk	Punktum dk A/S (direct)
hybridleder.dk	Punktum dk A/S (direct)
it-administrator-fyn.dk	Punktum dk A/S (direct)
kaosklub.dk	Punktum dk A/S (direct)
kompetencekompasset.dk	Punktum dk A/S (direct)
kompetencevaekst.dk	Punktum dk A/S (direct)
kompetencevækst.dk	Punktum dk A/S (direct)
kurser-fyn.dk	Punktum dk A/S (direct)
kurser-odense.dk	Punktum dk A/S (direct)
laonline.dk	Punktum dk A/S (direct)
leadigeelevpladser.dk	Punktum dk A/S (direct)
lean-learning.dk	Punktum dk A/S (direct)
lederipraksis.dk	Punktum dk A/S (direct)
lederivirkeligheden.dk	Punktum dk A/S (direct)
lederpraksis.dk	Punktum dk A/S (direct)
ledertrainee.dk	Punktum dk A/S (direct)
ledertrappen.dk	Punktum dk A/S (direct)
ledigeelevpladser.dk	Punktum dk A/S (direct)
obuonline.dk	Punktum dk A/S (direct)
odensegymnasium.dk	Punktum dk A/S (direct)
offentliglederfokus.dk	Punktum dk A/S (direct)
offentliglederkarriere.dk	Punktum dk A/S (direct)
offentligledertalent.dk	Punktum dk A/S (direct)
praksisuddannelse.dk	Punktum dk A/S (direct)
projekt-virksomhedsporten.dk	Punktum dk A/S (direct)
sprogcenter-fyn.dk	Punktum dk A/S (direct)
studenterodense.dk	Punktum dk A/S (direct)
studentodense.dk	Punktum dk A/S (direct)
stx-fyn.dk	Punktum dk A/S (direct)
stxfyn.dk	Punktum dk A/S (direct)
teitgen.dk	Punktum dk A/S (direct)
tietgen.dk	Punktum dk A/S (direct)
tietgenapps.dk	Punktum dk A/S (direct)
tietgenbusiness.dk	Punktum dk A/S (direct)
tietgendetail.dk	Punktum dk A/S (direct)
tietgenfinans.dk	Punktum dk A/S (direct)
tietgenkompetencecenter.dk	Punktum dk A/S (direct)
tietgennet.dk	Punktum dk A/S (direct)
tietgenonline.dk	Punktum dk A/S (direct)
tietgenskolen.dk	Punktum dk A/S (direct)
tietgenwebshop.dk	Punktum dk A/S (direct)
titgen.dk	Punktum dk A/S (direct)
titgenskolen.dk	Punktum dk A/S (direct)
tkconline.dk	Punktum dk A/S (direct)
uddannelse-fyn.dk	Punktum dk A/S (direct)
uddannelse-odense.dk	Punktum dk A/S (direct)
uddannelser-fyn.dk	Punktum dk A/S (direct)
uddannelser-odense.dk	Punktum dk A/S (direct)
veteranindsatsfyn.dk	Punktum dk A/S (direct)
videncenterfinans.dk	Punktum dk A/S (direct)
videncenterforfinans.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

161ms

96ms

147ms

AAAA

93ms

TXT

506ms

CAA

167ms

HTTPS

166ms

TLSA

924ms

SOA

128ms

MTA-STS

227ms

DNSSEC

324ms

SRV

213ms

Total

2213ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 23:36:26	1193ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 22:59:29	2469ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:31:15	1313ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 08:05:25	1129ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 19:04:24	1805ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 19:03:14 shown	2213ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 18:31:21	1039ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:23:59	698ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 17:15:25	1424ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 16:43:54	713ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:59:02	1746ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 20:07:49	967ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:59:34	1307ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 07:16:42	1567ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 05:36:05	2249ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 16:03:45	2446ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 14:30:55	2607ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 03:17:12	856ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 01:40:37	5650ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 17:16:47	2321ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 14:53:42	9311ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 02:53:26	1930ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 23:27:47	794ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 04:37:02	1677ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 00:27:44	2311ms	2 NS 1 A 1 MX	🔒 Secure