jsholding.dk DNS records

🖥️ Nameservers2 records 37ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.66.187.77	43200s	—	AS62319	Itm8 A/S	185.66.184.0/22	🇩🇰 Denmark	Viby J

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	jsholding-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 2a01:111:f403:ca38::8 52.101.209.153 52.101.68.5 52.101.68.8 52.101.73.11	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.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

🔌 SRV Records1 records 65ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 156ms

TXT Record
MS=ms23457163
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (jsholding.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

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

37ms

A

49ms

MX

47ms

AAAA

48ms

TXT

156ms

CAA

48ms

HTTPS

38ms

TLSA

671ms

SOA

0ms

MTA-STS

52ms

DNSSEC

84ms

SRV

65ms

Total

1221ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 06:29:22	1221ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 14:16:25	3045ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 03:46:31	1614ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:15:00	2741ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 10:20:10	2749ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 05:35:46	1103ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 17:48:47	1181ms	2 NS 1 A 1 MX	🔒 Secure	View