ibpbyg.dk

📜 Historical scan 2026-10-08 00:07:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ibpbyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 March 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.60.83 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by ibpbyg-dk.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 259ms

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 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.83	3600s	web01.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records#

1 records 181ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ibpbyg-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::4 2a01:111:f403:ca21::10 2a01:111:f403:ca48::10 52.101.181.153 52.101.181.156 52.101.68.10 52.101.68.25	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.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	mailgw1.c-system.dk → 49.12.60.84
🔶 Autoconfig	mailgw1.c-system.dk → 49.12.60.84

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 520ms

TXT Record
MS=ms13946157
v=spf1 include:spf.protection.outlook.com a:mailgw1.c-system.dk a:web01.c-system.dk a:mailgw3.c-system.dk -all

✉️ SPF#

Policy	Record (ibpbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:mailgw1.c-system.dk a:web01.c-system.dk a:mailgw3.c-system.dk -all

📨 DMARC#

Policy	Record (_dmarc.ibpbyg.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-21 03:52:35

www CNAME	ibpbyg.dk (all on ibpbyg.dk) → 49.12.60.83 (AS24940)
www vs bare domain	Same network ibpbyg.dk: 49.12.60.83 (AS24940) www.ibpbyg.dk: 49.12.60.83 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ibpbyg-dk._domainkey.outruporg.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

333ms

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

🏷️ SOA#

112ms

Field	Value
Serial	2026100701
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 2026-10-08 00:30:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-03-23
Expires	2027-03-31 (158d)

📋 WHOIS#

⏱️ Lookup Timing#

259ms

88ms

181ms

AAAA

199ms

TXT

520ms

CAA

217ms

HTTPS

160ms

TLSA

1079ms

SOA

112ms

MTA-STS

223ms

DNSSEC

333ms

SRV

390ms

Total

2948ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 03:52:35	1110ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 09:39:58	1910ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 00:07:20 shown	2948ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 21:11:41	1103ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 06:52:26	1023ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 10:17:59	2533ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 11:38:16	1144ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:26:12	1330ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 02:09:32	6158ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:16:42	1023ms	2 NS 1 A 1 MX	🔒 Secure