3do.dk

Records from scan: 2026-10-11 02:23:08  ·  1316ms total  ·  last checked 2026-10-22 01:10 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3do.dk is a .dk domain served by 2 nameservers (nile.ns.cloudflare.com, pat.ns.cloudflare.com). It was registered on 13 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.6.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 3do-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   29ms

🌍 A Records#

2 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.18.6.158 300s — AS13335 Cloudflare, Inc. 104.16.0.0/14 — —
104.18.7.158 300s — AS13335 Cloudflare, Inc. 104.16.0.0/14 — —

📧 MX Records#

1 records   29ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.18.6.158,104.18.7.158 ech=AEX+DQBBGwAgACBCOhVoK5ks84Ldl9vZiTEM+2Nwk0WK+X/U40mYjONwZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=

🔌 SRV Records#

2 records   67ms

📝 TXT Records#

7 records   170ms
TXT Record
brevo-code:12b0c76f676b10828f40a6e030671a89
brevo-code:33e2df55327675e79b0b2d9c69799f4d
brevo-code:5a711f2e7bc26fa814df85f0a5100573
google-gws-recovery-domain-verification=48929761
google-site-verification=trSefOBaie_NE8Kdbw7ULY_ycx75I3CU_J9KQ_VIno4
MS=ms71251960
v=spf1 include:mail.zendesk.com ?all

✉️ SPF#

PolicyRecord (3do.dk)
?all (neutral) v=spf1 include:mail.zendesk.com ?all

📨 DMARC#

PolicyRecord (_dmarc.3do.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:8c6f243bf8184b449c824ba370604010@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#

10 records   44ms

🧩 Web & zone#

checked 2026-10-11 02:23:08
www104.18.6.158 104.18.7.158 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

4 found
SelectorCNAMEKey
default — RSA · ~2048 bit
mail — RSA · ~1024 bit below 2048 bit
selector1 selector1-3do-dk._domainkey.3dodk.onmicrosoft.com RSA · ~2048 bit
selector2 selector2-3do-dk._domainkey.3dodk.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

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

46ms
FieldValue
Serial2417142777
Primary NS (MNAME)nile.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 03:04:27
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-06-13
Expires2030-06-30 (1346d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
31ms
MX
29ms
AAAA
30ms
TXT
170ms
CAA
44ms
HTTPS
41ms
TLSA
798ms
SOA
46ms
MTA-STS
62ms
DNSSEC
78ms
SRV
67ms
Total
1316ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 02:23:08 shown 1316ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 22:38:01 1054ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 07:52:01 1090ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 23:31:58 989ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 23:52:27 2470ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-16 19:07:26 6873ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-12 22:03:29 17410ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-01 01:10:23 10475ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-16 15:11:17 11176ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-14 12:58:20 2102ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-03 07:37:00 1159ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-27 23:01:41 2911ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 23:40:26 1435ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 23:36:52 1720ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 12:46:27 2975ms 2 NS 2 A 1 MX 🔓 Insecure
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