citymark.dk

📜 Historical scan 2026-08-05 20:11:14  ·  ← 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   54ms

🌍 A Records#

2 records   52ms
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   36ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records   52ms

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.85.20,172.67.201.7 ech=AEX+DQBBAwAgACAypBhsNxKbUM69bUlQYC4dTBXVm2H5nazE1EeFX7lqZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c907,2606:4700:3037::6815:5514

🔌 SRV Records#

1 records   72ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

4 records   191ms
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 2026-10-07 15:42:35

✍️ 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#

85ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2411260806
Primary NS (MNAME)harvey.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 05:57:03
FieldValue
RegistrarNordisk Media Utveckling AB
Registered2012-12-17
Expires2026-12-31 (72d)

🔗 Same registrant#

12 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
52ms
MX
36ms
AAAA
52ms
TXT
191ms
CAA
53ms
HTTPS
35ms
TLSA
387ms
SOA
0ms
MTA-STS
64ms
DNSSEC
85ms
SRV
72ms
Total
1728ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone