dbi-byg.dk

📜 Historical scan 2026-08-08 12:48:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dbi-byg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 April 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.174 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by cluster1.comendo.dk, cluster2.comendo.dk and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 52ms

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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.174	3600s	—	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

4 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	cluster1.comendo.dk	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
200	3600s	cluster2.comendo.dk	192.162.219.255 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
300	3600s	cluster3.virusprotectionsystems.dk	—	—	—
32767	3600s	ms83169259.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

1 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8070:1664:cda:aa47	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 196ms

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

✉️ SPF#

Policy	Record (dbi-byg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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 2026-10-11 11:03:10

www	77.111.240.174 2a02:2350:5:102:8070:1664:cda:aa47 (AS51468) (address records, no CNAME)
www vs bare domain	Same network dbi-byg.dk: 77.111.240.174 2a02:2350:5:102:8070:1664:cda:aa47 (AS51468) www.dbi-byg.dk: 77.111.240.174 2a02:2350:5:102:8070:1664:cda:aa47 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-dbibyg-dk0i._domainkey.jobobilcenter.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-dbibyg-dk0i._domainkey.jobobilcenter.onmicrosoft.com	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2026080301
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 2026-10-04 22:09:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-04-30
Expires	2027-04-30 (188d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

58ms

69ms

AAAA

50ms

TXT

196ms

CAA

74ms

HTTPS

57ms

TLSA

4035ms

SOA

52ms

MTA-STS

81ms

DNSSEC

101ms

SRV

73ms

Total

9066ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 11:03:10	4039ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 21:50:16	1195ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-25 20:20:47	653ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-08 03:46:12	924ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-29 02:25:50	910ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-27 22:30:17	879ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-13 19:11:28	3997ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-08 12:48:41 shown	9066ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-06 04:03:17	3059ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-04 14:38:38	10051ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-03 09:29:56	1403ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 22:29:16	1668ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-23 19:50:15	1159ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 11:58:14	687ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-21 13:56:12	684ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 01:15:08	845ms	2 NS 1 A 4 MX	🔒 Secure