cityrent.dk

📜 Historical scan 2026-08-19 00:42:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cityrent.dk is a .dk domain served by 2 nameservers (cash.ns.cloudflare.com, lucy.ns.cloudflare.com). It was registered on 24 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.109 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cityrent-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 125ms

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 Records#

2 records 113ms

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 Records#

1 records 125ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cityrent-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.73.11 52.101.73.153 52.101.73.16 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 52.98.243.40

🔷 AAAA Records (IPv6)#

2 records 189ms

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 Records#

1 records 115ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.109,172.67.192.150 ech=AEX+DQBBiQAgACCxGJAuoG8V356LpsIibxedNw4YGDPhLzBmt+mD5B48ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:246d,2606:4700:3033::ac43:c096

🔌 SRV Records#

1 records 268ms

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

📝 TXT Records#

3 records 8555ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 10:10:09

www	104.21.36.109 172.67.192.150 2606:4700:3030::6815:246d 2606:4700:3033::ac43:c096 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cityrent.dk: 104.21.36.109 172.67.192.150 2606:4700:3030::6815:246d 2606:4700:3033::ac43:c096 (AS13335) www.cityrent.dk: 104.21.36.109 172.67.192.150 2606:4700:3030::6815:246d 2606:4700:3033::ac43:c096 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-cityrent-dk._domainkey.cityparkering.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

432ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412531943
Primary NS (MNAME)	cash.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 19:11:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-11-24
Expires	2026-11-23 (27d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

125ms

113ms

125ms

AAAA

189ms

TXT

8555ms

CAA

112ms

HTTPS

115ms

TLSA

179ms

SOA

0ms

MTA-STS

167ms

DNSSEC

432ms

SRV

268ms

Total

13520ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 10:10:09	1777ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-16 19:00:01	1130ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 12:18:59	1262ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 08:39:36	1070ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 00:21:23	1138ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 13:10:32	1111ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 20:12:59	1132ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 19:42:25	1643ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 19:36:37	2027ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 02:52:33	1721ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 08:11:28	3010ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 00:42:11 shown	13520ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 12:02:38	1867ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-28 12:29:58	11097ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-07 01:41:45	2845ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-01 16:26:45	1034ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 21:28:28	1895ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 22:56:08	65535ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:10:19	739ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:07:59	2086ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:00:05	3067ms	2 NS 2 A 1 MX	🔓 Insecure