grevsen.dk DNS records

🖥️ Nameservers3 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.94	14400s	web3.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	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
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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	195.242.130.94
🔶 Autoconfig	195.242.130.94

🔷 AAAA Records (IPv6)1 records 24ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:564:fffc::3001	14400s	—	AS62121	Christian Ebsen ApS	2001:67c:564:0:0:0:0:0/48	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 32ms

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

📝 TXT Records1 records 90ms

TXT Record
v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk +a +mx ~all

✉️ SPF

Policy	Record (grevsen.dk)
~all (soft fail)	v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk +a +mx ~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.grevsen.dk	DvEjqJcefLvIm1byd5V39h5ee0MnIAwHREXQe8WU6GA

🔗 TLSA / DANE3 records 310ms

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…

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083102
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
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

21ms

A

31ms

MX

24ms

AAAA

24ms

TXT

90ms

CAA

27ms

HTTPS

21ms

TLSA

310ms

SOA

0ms

MTA-STS

33ms

DNSSEC

95ms

SRV

32ms

Total

1032ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:01:38	1032ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-30 07:52:58	837ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-28 08:26:49	1038ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 08:21:19	962ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 08:16:24	1850ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-24 22:56:38	17073ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-23 21:12:31	4365ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-22 13:27:39	1901ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-21 13:07:36	2212ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-20 12:48:49	10400ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-19 11:39:01	1047ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-18 11:38:04	4718ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-17 03:35:37	1220ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-15 22:57:44	1030ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-14 21:30:09	1754ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-12 23:04:45	25518ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-11 20:51:47	4083ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-09 22:59:16	1104ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-08 09:29:35	1258ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-06 07:20:42	992ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-28 18:45:09	3128ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 04:47:37	1467ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-26 04:07:35	8918ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-25 03:55:56	1015ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-24 03:02:13	1728ms	3 NS 1 A 3 MX	🔒 Secure	View