dtdg.dk

📜 Historical scan 2026-06-20 00:18:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtdg.dk is a .dk domain served by 2 nameservers (ingrid.ns.cloudflare.com, rodney.ns.cloudflare.com). It was registered on 6 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.22 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dtdg-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   81ms

🌍 A Records#

2 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.22 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.135.146 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   58ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records   42ms

🔐 HTTPS Records#

1 records   54ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.22,172.67.135.146 ech=AEX+DQBBmQAgACAW2Zml2I0DYSJ6ZUQjSHgtTQ4aJ7FXZdhBDW7ShydAEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:716,2606:4700:3032::ac43:8792

🔌 SRV Records#

1 records   332ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

4 records   283ms
TXT Record
google-site-verification=JPyQek4MLLlth88rjC4bKcljxrutX4dciMEP8DSRAuc
MS=ms25749960
MS=ms39137216
v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com -all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.dtdg.dk)
p=quarantine v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:7eceaf350ab14f0d875b1dcc76708b16@dmarc-reports.cloudflare.net

📬 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 2026-10-09 08:46:48
wwwExists, no address
www vs bare domainwww does not resolve
dtdg.dk: 3.174.18.119 3.174.18.40 3.174.18.6 3.174.18.87 (AS16509)
www.dtdg.dk: no address
(all like this)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-dtdg-dk._domainkey.dtdgroupdk.onmicrosoft.com RSA · ~2048 bit
selector2 selector2-dtdg-dk._domainkey.dtdgroupdk.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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

146ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

50ms
FieldValue
Serial2406024770
Primary NS (MNAME)ingrid.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 06:26:13
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-09-06
Expires2027-09-30 (348d)

🔗 Same registrant#

11 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
81ms
A
54ms
MX
58ms
AAAA
42ms
TXT
283ms
CAA
59ms
HTTPS
54ms
TLSA
461ms
SOA
50ms
MTA-STS
93ms
DNSSEC
146ms
SRV
332ms
Total
1217ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 21:07:34 9773ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-26 01:04:40 18065ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-22 04:49:38 2385ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-06 23:57:49 2532ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-04 22:34:57 1736ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 06:58:34 7219ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 02:58:22 1205ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 19:46:01 1602ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 00:18:04 shown 1217ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 04:50:12 1893ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone