cmt-cityringen.dk DNS records

🖥️ Nameservers2 records 29ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.160.70.251	43200s	—	AS3292	TDC Holding A/S	80.160.0.0/13	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43500s	cmtcityringen-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 52.101.103.143 52.101.68.25 52.101.68.3 52.101.68.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 67ms

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

📝 TXT Records5 records 117ms

TXT Record
_globalsign-domain-verification=0t_XePlpxSnh_QO3hzp-WTEkPRltEt_DKsdSrXt_lw
cisco-ci-domain-verification=49fe2f2079fdc29345c141cc2cef6c83103ca107456177a6097ea3b423da8823
lxnt58grftq36dxp4l2qs080f1c8r2vv
MS=ms33421670
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cmt-cityringen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cmt-cityringen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@cmt-cityringen.dk

📬 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)

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090201
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

29ms

A

32ms

MX

35ms

AAAA

28ms

TXT

117ms

CAA

24ms

HTTPS

30ms

TLSA

497ms

SOA

0ms

MTA-STS

39ms

DNSSEC

97ms

SRV

67ms

Total

981ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 04:28:09	981ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 17:49:00	991ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 16:50:43	1692ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 09:34:01	1145ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:01:56	1832ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 11:50:54	1184ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:54:37	1216ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:58:30	42218ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:33:24	1978ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:31:32	608ms	2 NS 1 A 1 MX	🔒 Secure	View