sebastianborg.dk

📜 Historical scan 2026-09-30 14:55:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sebastianborg.dk is a .dk domain served by 4 nameservers (ns1.dk, ns2.dk, ns3.dk and 1 more). It was registered on 26 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.255.41.97 is hosted by OVH SAS (AS16276) in France. Mail is handled by mx.zoho.com, mx2.zoho.com. The zone is not DNSSEC-signed, has no 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#

4 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.dk 2001:41d0:701:1100::7ec7
57.129.78.20		 vps-1448e198.vps.ovh.net
vps-1448e198.vps.ovh.net		 AS16276 OVH SAS
AS16276 OVH SAS
ns2.dk 212.95.58.14
2a00:c98:400f:104:1c00:a8ff:fe00:2ac		 ns2.dnscluster.dk
ns2.dnscluster.dk		 AS28753 Leaseweb Deutschland GmbH
AS28753 Leaseweb Deutschland GmbH
ns3.dk 213.184.84.70
2a09:3a00:4070::1		 —
—		 AS59795 PerfGrid
AS59795 PerfGrid
ns4.dk 2a06:a005:16d0:45::a
45.140.220.10		 ns4.dnscluster.dk
ns4.dnscluster.dk		 AS142594 SpeedyPage Ltd
AS142594 SpeedyPage Ltd

🌍 A Records#

1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
51.255.41.97 60s vps-f0acd3c4.vps.ovh.net AS16276 OVH SAS 51.254.0.0/15 🇫🇷 France —

📧 MX Records#

2 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 60s mx.zoho.com 136.143.191.44
136.143.191.44
136.143.191.44
136.143.191.44
136.143.191.44
136.143.191.44		 mx2.zoho.com
mx3.zohomail.com
mx2.zohomail.com
mx.zohomail.com
mx.zoho.com
mx3.zoho.com		 AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
20 60s mx2.zoho.com 136.143.191.44
136.143.191.44
136.143.191.44
136.143.191.44
136.143.191.44
136.143.191.44		 mx2.zoho.com
mx3.zohomail.com
mx2.zohomail.com
mx.zohomail.com
mx.zoho.com
mx3.zoho.com		 AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO
AS2639 ZOHO

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover213.184.85.14
🔶 Autoconfig213.184.85.14

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   302ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   674ms
TXT Record
v=spf1 +a +mx +ip4:213.184.85.14 include:_relayspf.hosting4real.net +ip4:51.91.218.204 +ip4:151.80.20.123 +ip4:193.70.100.196 +ip4:5.135.139.22 ~all

✉️ SPF#

PolicyRecord (sebastianborg.dk)
~all (soft fail) v=spf1 +a +mx +ip4:213.184.85.14 include:_relayspf.hosting4real.net +ip4:51.91.218.204 +ip4:151.80.20.123 +ip4:193.70.100.196 +ip4:5.135.139.22 ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-20 20:30:12
www CNAMEsebastianborg.dk (all on sebastianborg.dk)
www vs bare domainSame network
sebastianborg.dk: 51.255.41.97 (AS16276)
www.sebastianborg.dk: 51.255.41.97 (AS16276)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.sebastianborg.dk k5fc77VkiVyalEk_643P_77330IiL7tLIHczIoeyWa0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

50ms
FieldValue
Serial2026093003
Primary NS (MNAME)ns1.dk
Responsible (RNAME)server@hosting4real.com
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-15 14:49:02
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-04-26
Expires2027-04-30 (187d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
40ms
MX
46ms
AAAA
49ms
TXT
674ms
CAA
56ms
HTTPS
43ms
TLSA
525ms
SOA
50ms
MTA-STS
291ms
DNSSEC
116ms
SRV
302ms
Total
1709ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 20:30:11 1417ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-19 17:28:59 1516ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-18 16:49:29 2725ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-17 16:15:52 1363ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-16 15:55:32 1582ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-15 14:32:12 1445ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-14 13:19:10 1238ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-13 13:03:38 1309ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-12 12:13:41 1296ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-11 11:49:54 2521ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-10 10:38:05 1551ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-09 03:35:00 1871ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-08 03:32:32 1133ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-07 19:25:26 1346ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-06 19:19:04 3073ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-05 15:17:59 1787ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-04 15:15:20 2038ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-03 15:10:47 1471ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-02 15:06:26 1506ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-01 15:03:45 1701ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-30 14:55:37 shown 1709ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-29 14:48:56 1516ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-28 14:41:23 1340ms 4 NS 1 A 2 MX 🔓 Insecure
2026-08-05 21:47:27 2040ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-29 05:18:12 2446ms 4 NS 1 A 2 MX 🔓 Insecure
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