citymark.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
harvey.ns.cloudflare.com	108.162.195.152 162.159.44.152 172.64.35.152 2606:4700:58::a29f:2c98 2803:f800:50::6ca2:c398 2a06:98c1:50::ac40:2398	harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lindsey.ns.cloudflare.com	108.162.194.5 162.159.38.5 172.64.34.5 2606:4700:50::a29f:2605 2803:f800:50::6ca2:c205 2a06:98c1:50::ac40:2205	lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.20	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.7	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	citymark-dk.mail.protection.outlook.com	2a01:111:f403:ca15::4 2a01:111:f403:ca15::6 2a01:111:f403:ca16::4 2a01:111:f403:ca16::6 52.101.79.112 52.101.79.114 52.101.80.148 52.101.80.150	mail-gvzp280cu01904.inbound.protection.outlook.com mail-gv3p280cu01406.inbound.protection.outlook.com mail-mm0p280cu01104.inbound.protection.outlook.com mail-mm0p280cu01206.inbound.protection.outlook.com mail-mm0p280cu01100.inbound.protection.outlook.com mail-mm0p280cu01202.inbound.protection.outlook.com mail-gvzp280cu01904.inbound.protection.outlook.com mail-gv3p280cu01406.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 → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:c907	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5514	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.20,172.67.201.7 ech=AEX+DQBBbwAgACCcSqCCymWbpZSh2MukAi6EK9cGHbJNtMgI/KWdWVcZYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c907,2606:4700:3037::6815:5514

🔌 SRV Records1 records 100ms

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

📝 TXT Records4 records 241ms

TXT Record
jrSlZIEsgPAVYEoQim5TVVZhOuupMB8O55hyfZPaJutcfFDnpolidMtmOKqjRT97PakT3Vu1J70AZ9Ur4kOKzQ==
MS=ms21644284
MS=ms51489503
v=spf1 include:spf.protection.outlook.com ip4:77.247.79.10 ip4:95.143.203.28 -all

✉️ SPF

Policy	Record (citymark.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:77.247.79.10 ip4:95.143.203.28 -all

📨 DMARC

Policy	Record (_dmarc.citymark.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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)

🔐 DNSSEC123ms

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

🏷️ SOA0ms

Field	Value
Serial	2412934795
Primary NS (MNAME)	harvey.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

54ms

A

83ms

MX

80ms

AAAA

60ms

TXT

241ms

CAA

56ms

HTTPS

57ms

TLSA

608ms

SOA

0ms

MTA-STS

88ms

DNSSEC

123ms

SRV

100ms

Total

1311ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:59:31	1311ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 21:42:39	2733ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 23:08:42	4804ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-05 20:11:14	1728ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 17:45:57	1231ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 10:54:48	1112ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 22:42:58	65535ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:11:51	1119ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-16 21:04:21	2645ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:00:02	756ms	2 NS 2 A 1 MX	🔓 Insecure	View