jacobibyg.dk

Records from scan: 2026-10-14 19:19:11 · 1197ms total · last checked 2026-10-16 22:54 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobibyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.99 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by jacobibyg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 27ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.99	3600s	webcluster2.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3566s	jacobibyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::10 2a01:111:f403:ca48::e 52.101.181.156 52.101.185.21 52.101.68.12 52.101.73.123	mail-db8pr02cu00106.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

1 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:801b:9b9b:ba42:9593	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#

3 records 149ms

TXT Record
google-site-verification=ktD_CKWUau6gIkE5r7VSQue-Ww-qbAloPCoDWRoftug
MS=ms18032945
v=spf1 a mx include:web.shared.mysmtp.com include:spf.protection.outlook.com ~all include:_custspf.one.com

✉️ SPF#

Policy	Record (jacobibyg.dk)
~all (soft fail)	v=spf1 a mx include:web.shared.mysmtp.com include:spf.protection.outlook.com ~all include:_custspf.one.com

📨 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#

checked 2026-10-14 19:19:11

www	77.111.241.99 2a02:2350:5:104:801b:9b9b:ba42:9593 (AS51468) (address records, no CNAME)
www vs bare domain	Same network jacobibyg.dk: 77.111.241.99 2a02:2350:5:104:801b:9b9b:ba42:9593 (AS51468) www.jacobibyg.dk: 77.111.241.99 2a02:2350:5:104:801b:9b9b:ba42:9593 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2026101305
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 2026-10-14 19:45:17

Field	Value
Registrar	ONE.COM A/S
Registered	2008-11-05
Expires	2026-11-30 (44d)

🔗 Same registrant#

1 domain

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
murer-esbjerg.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

28ms

35ms

AAAA

29ms

TXT

149ms

CAA

45ms

HTTPS

39ms

TLSA

653ms

SOA

24ms

MTA-STS

56ms

DNSSEC

56ms

SRV

82ms

Total

1197ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 19:19:11 shown	1197ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 08:51:53	1592ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 08:32:45	1005ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:17:54	1252ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 07:09:03	1927ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 06:49:07	768ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 00:23:46	1882ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 14:12:26	2929ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 11:34:29	17194ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-02 11:01:14	1316ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 11:10:59	2762ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:21:39	1072ms	2 NS 1 A 1 MX	🔒 Secure