sebastianborg.dk DNS records

🖥️ Nameservers4 records 202ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dk	2001:df7:1d81:18::a 45.139.227.68	undefined.hostname.localhost 68.227.139.45.speedyvps.uk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd
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 Records1 records 190ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.255.41.97	60s	97.ip-51-255-41.eu	AS16276	OVH SAS	51.254.0.0/15	🇫🇷 France	—

📧 MX Records2 records 178ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mx.zoho.com	204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44	mx2.zohomail.com mx.zohomail.com mx.zoho.com mx3.zoho.com mx2.zoho.com mx8.zoho.com mx7.zoho.com mx6.zoho.com mx3.zohomail.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
20	60s	mx2.zoho.com	136.143.183.44 136.143.183.44 136.143.183.44 136.143.183.44 136.143.183.44 136.143.183.44	mx.zoho.com mx3.zoho.com mx2.zoho.com mx3.zohomail.com mx2.zohomail.com mx.zohomail.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	213.184.85.14
🔶 Autoconfig	213.184.85.14

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 231ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records1 records 518ms

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

Policy	Record (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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.sebastianborg.dk	vrhMLu0yqQDcmQZErb7KbK4UNgRlE_VFCkyK7phQuPI

🔗 TLSA / DANE

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

🔐 DNSSEC266ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026080201
Primary NS (MNAME)	ns1.dk
Responsible (RNAME)	server@hosting4real.com
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

202ms

A

190ms

MX

178ms

AAAA

185ms

TXT

518ms

CAA

167ms

HTTPS

184ms

TLSA

401ms

SOA

0ms

MTA-STS

215ms

DNSSEC

266ms

SRV

231ms

Total

2040ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-05 21:47:27	2040ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-29 05:18:12	2446ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 11:04:44	935ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 19:00:12	5210ms	4 NS 1 A 2 MX	🔓 Insecure	View