jcnbolig.dk DNS records

🖥️ Nameservers2 records 55ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	jcnbolig-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 2a01:111:f403:ca09::5 52.101.68.16 52.101.68.8 52.101.73.11 52.101.73.26	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr05cu01302.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
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 113ms

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

📝 TXT Records2 records 225ms

TXT Record
MS=ms29203768
v=spf1 -all

✉️ SPF

Policy	Record (jcnbolig.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.jcnbolig.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6720990da2064@dmarc-dk.centerasecurity.com;

📬 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)

🔐 DNSSEC135ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
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

55ms

A

55ms

MX

53ms

AAAA

100ms

TXT

225ms

CAA

71ms

HTTPS

50ms

TLSA

180ms

SOA

0ms

MTA-STS

104ms

DNSSEC

135ms

SRV

113ms

Total

1405ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 02:46:54	1405ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 06:16:36	5681ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 05:58:37	1064ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 11:04:30	1532ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 19:32:16	1235ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 16:38:51	1570ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:05:11	3015ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 18:06:47	1110ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 19:19:41	4871ms	2 NS 1 A 1 MX	🔒 Secure	View