cityrent.dk DNS records

🖥️ Nameservers2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
cash.ns.cloudflare.com	108.162.193.81 172.64.33.81 173.245.59.81 2606:4700:58::adf5:3b51 2803:f800:50::6ca2:c151 2a06:98c1:50::ac40:2151	cash.ns.cloudflare.com cash.ns.cloudflare.com cash.ns.cloudflare.com cash.ns.cloudflare.com cash.ns.cloudflare.com cash.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.109	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.150	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cityrent-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 52.101.103.140 52.101.68.10 52.101.68.29 52.101.68.32	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.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 → 40.104.116.24

🔷 AAAA Records (IPv6)2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:246d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c096	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.109,172.67.192.150 ech=AEX+DQBBkwAgACDn2XGicWwI/oBbbDLGURa5Aj1DdRL6viDLkySt+O9BPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:246d,2606:4700:3033::ac43:c096

🔌 SRV Records1 records 195ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 321ms

TXT Record
google-site-verification=p6aDS9sxxnmPLn17smDRO1Wf0mjmcFlGW3UkfksuP8I
MS=ms43597264
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cityrent.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC196ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412978464
Primary NS (MNAME)	cash.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

65ms

MX

62ms

AAAA

58ms

TXT

321ms

CAA

69ms

HTTPS

55ms

TLSA

1012ms

SOA

0ms

MTA-STS

122ms

DNSSEC

196ms

SRV

195ms

Total

3010ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 08:11:28	3010ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 00:42:11	13520ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 12:02:38	1867ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-28 12:29:58	11097ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-07 01:41:45	2845ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-01 16:26:45	1034ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 21:28:28	1895ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 22:56:08	65535ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:10:19	739ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:07:59	2086ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:00:05	3067ms	2 NS 2 A 1 MX	🔓 Insecure	View