ybmail.dk

📜 Historical scan 2026-10-08 00:20:31  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ybmail.dk is a .dk domain served by 5 nameservers (dns1.dk, dns2.dk, dns3.dk and 2 more). It was registered on 29 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.34.148.3 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by rogue.bornhosting.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

5 records   47ms

🌍 A Records#

1 records   117ms

📧 MX Records#

1 records   51ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover188.34.148.3
🔶 Autoconfig188.34.148.3

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   475ms
TXT Record
v=spf1 mx include:_spf.bornhosting.dk -all

✉️ SPF#

PolicyRecord (ybmail.dk)
-all (hard fail) v=spf1 mx include:_spf.bornhosting.dk -all

📨 DMARC#

PolicyRecord (_dmarc.ybmail.dk)
p=reject v=DMARC1; p=reject

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records   63ms
FlagsTagValue
0 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 18:04:29
www188.34.148.3 (AS24940) (address records, no CNAME)
www vs bare domainSame network
ybmail.dk: 188.34.148.3 (AS24940)
www.ybmail.dk: 188.34.148.3 (AS24940)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~4096 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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

113ms
FieldValue
Serial2026100602
Primary NS (MNAME)dns1.dk
Responsible (RNAME)support@borndata.dk
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-17 14:59:43
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2006-11-29
Expires2026-11-30 (42d)

🔗 Same registrant#

21 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
117ms
MX
51ms
AAAA
50ms
TXT
475ms
CAA
63ms
HTTPS
62ms
TLSA
235ms
SOA
113ms
MTA-STS
141ms
DNSSEC
72ms
SRV
328ms
Total
1215ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 18:04:29 1025ms 5 NS 1 A 1 MX 🔒 Secure
2026-10-13 13:39:11 4391ms 5 NS 1 A 1 MX 🔒 Secure
2026-10-11 05:03:55 886ms 5 NS 1 A 1 MX 🔒 Secure
2026-10-08 00:20:31 shown 1215ms 5 NS 1 A 1 MX 🔒 Secure
2026-10-06 09:50:14 1618ms 5 NS 1 A 1 MX 🔒 Secure
2026-10-01 07:47:10 2728ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-26 06:28:55 1065ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-26 04:29:27 982ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-21 23:13:44 834ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-18 23:43:17 1917ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-09 09:16:56 2191ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-07 11:48:21 4493ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-31 08:44:05 989ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-27 13:10:51 1195ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-25 05:25:20 2492ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-21 01:19:04 2358ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-16 13:48:14 3409ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-11 10:50:51 3380ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-07 01:23:51 9233ms 5 NS 1 A 1 MX 🔒 Secure
2026-08-02 01:50:36 1973ms 5 NS 1 A 1 MX 🔒 Secure
2026-07-26 06:37:19 9274ms 5 NS 1 A 1 MX 🔒 Secure
2026-07-21 22:15:12 2400ms 5 NS 1 A 1 MX 🔒 Secure
2026-07-17 07:43:18 4665ms 5 NS 1 A 1 MX 🔒 Secure
2026-07-14 03:31:42 1341ms 5 NS 1 A 1 MX 🔒 Secure
2026-07-06 18:43:18 5085ms 5 NS 1 A 1 MX 🔒 Secure
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