jrbc.dk DNS records

🖥️ Nameservers2 records 42ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
108.167.140.127	600s	mail.fichochihuahua.com	AS46606	Unified Layer	108.167.140.0/22	🇺🇸 United States	Phoenix

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jrbc-dk.mail.eo.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 2a01:111:f403:ca09::f 52.101.181.153 52.101.209.153 52.101.68.18 52.101.73.1	mail-am6pr02cu00300.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 182ms

TXT Record
MS=ms43970505
v=spf1 include:outlook.com ~all

✉️ SPF

Policy	Record (jrbc.dk)
~all (soft fail)	v=spf1 include: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

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081401
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

42ms

A

47ms

MX

44ms

AAAA

39ms

TXT

182ms

CAA

43ms

HTTPS

58ms

TLSA

314ms

SOA

0ms

MTA-STS

76ms

DNSSEC

96ms

SRV

60ms

Total

1113ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:27:57	1113ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 10:18:52	5740ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 07:19:57	1900ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 17:52:05	2783ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 10:51:28	1171ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:22:04	4421ms	2 NS 1 A 1 MX	🔒 Secure	View