citymark.dk

📜 Historical scan 2026-08-25 21:42:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citymark.dk is a .dk domain served by 2 nameservers (harvey.ns.cloudflare.com, lindsey.ns.cloudflare.com). It was registered on 17 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.20 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by citymark-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   53ms

🌍 A Records#

2 records   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   40ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records   34ms

🔐 HTTPS Records#

1 records   64ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.85.20,172.67.201.7 ech=AEX+DQBBXAAgACCXDKHSXgUZp5BQiesSpmZ3BJPpbc3rZvi9sQSnAeqiEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c907,2606:4700:3037::6815:5514

🔌 SRV Records#

1 records   86ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

4 records   219ms
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#

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

📨 DMARC#

PolicyRecord (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 11:12:01

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-citymark-dk._domainkey.holdco365.r-v1.dkim.mail.microsoft RSA · ~2048 bit
selector2 selector2-citymark-dk._domainkey.holdco365.r-v1.dkim.mail.microsoft 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#

2064ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412934795
Primary NS (MNAME)harvey.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 11:27:36
FieldValue
RegistrarNordisk Media Utveckling AB
Registered2012-12-17
Expires2026-12-31 (69d)

🔗 Same registrant#

15 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
53ms
A
67ms
MX
40ms
AAAA
34ms
TXT
219ms
CAA
51ms
HTTPS
64ms
TLSA
195ms
SOA
0ms
MTA-STS
50ms
DNSSEC
2064ms
SRV
86ms
Total
2733ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 11:12:01 3804ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 13:43:08 1682ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 13:03:23 1397ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 04:59:31 1311ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 21:42:39 shown 2733ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 23:08:42 4804ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-05 20:11:14 1728ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-02 17:45:57 1231ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 10:54:48 1112ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 22:42:58 65535ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 21:11:51 1119ms 2 NS 2 A 1 MX ⚠️ Bogus
2026-06-16 21:04:21 2645ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 21:00:02 756ms 2 NS 2 A 1 MX 🔓 Insecure
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