jacobibyg.dk DNS records

🖥️ Nameservers2 records 40ms

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 Records1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.96	3600s	webcluster2.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3566s	jacobibyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::2 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.68.36 52.101.68.39 52.101.73.26 52.101.73.28	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.40
🔶 Autoconfig	77.111.241.96

🔷 AAAA Records (IPv6)1 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:8000:93c5:a486:9304	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 Records3 records 173ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

54ms

MX

47ms

AAAA

48ms

TXT

173ms

CAA

37ms

HTTPS

52ms

TLSA

896ms

SOA

0ms

MTA-STS

47ms

DNSSEC

74ms

SRV

112ms

Total

1882ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 00:23:46	1882ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 14:12:26	2929ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 11:34:29	17194ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 11:01:14	1316ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 11:10:59	2762ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:21:39	1072ms	2 NS 1 A 1 MX	🔒 Secure	View