sjacob.dk DNS records

🖥️ Nameservers3 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services ns2.dns.services	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.229	3600s	web1.eushells.com	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records4 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	3600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	3600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S
40	3600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)1 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:564::11	3600s	ns1.eushells.com	AS62121	Christian Ebsen ApS	2001:67c:564:0:0:0:0:0/48	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 171ms

TXT Record
v=spf1 mx a include:_spf.e-studio.dk -all

✉️ SPF

Policy	Record (sjacob.dk)
-all (hard fail)	v=spf1 mx a include:_spf.e-studio.dk -all

📨 DMARC

Policy	Record (_dmarc.sjacob.dk)
p=quarantine	v=DMARC1; p=quarantine; aspf=s;

📬 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

🔗 TLSA / DANE4 records 103ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC108ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2025122913
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

50ms

MX

53ms

AAAA

53ms

TXT

171ms

CAA

47ms

HTTPS

61ms

TLSA

103ms

SOA

0ms

MTA-STS

73ms

DNSSEC

108ms

SRV

79ms

Total

998ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:32:10	998ms	3 NS 1 A 4 MX	🔒 Secure	View
2026-07-01 06:24:31	812ms	3 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 12:52:34	837ms	3 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 00:56:20	3678ms	3 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 21:30:27	864ms	3 NS 1 A 4 MX	🔒 Secure	View