esmail.dk DNS records

🖥️ Nameservers2 records 203ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 234ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.102	3600s	web9.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records4 records 251ms

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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 493ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.esmail.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 339ms

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…

🔐 DNSSEC420ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

203ms

A

234ms

MX

251ms

AAAA

243ms

TXT

493ms

CAA

242ms

HTTPS

262ms

TLSA

339ms

SOA

0ms

MTA-STS

313ms

DNSSEC

420ms

SRV

278ms

Total

5378ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 13:33:12	5378ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-29 16:32:08	5010ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 13:06:09	1021ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 06:15:15	881ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 00:49:09	610ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 13:47:36	618ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 08:25:19	586ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 08:24:42	730ms	2 NS 1 A 4 MX	🔒 Secure	View