grevsen.dk

📜 Historical scan 2026-10-13 00:08:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grevsen.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 18 June 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.94 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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#

3 records 41ms

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 Records#

1 records 44ms

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 Records#

3 records 34ms

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	mx3.spamfri.dk mx3.spamfri.dk	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 32ms

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 Records#

1 records 57ms

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

📝 TXT Records#

1 records 124ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 10:37:46

www CNAME	grevsen.dk (all on grevsen.dk) → 195.242.130.94 2001:67c:564:fffc::3001 (AS62121)
www vs bare domain	Same network grevsen.dk: 195.242.130.94 2001:67c:564:fffc::3001 (AS62121) www.grevsen.dk: 195.242.130.94 2001:67c:564:fffc::3001 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.grevsen.dk	ZFD0vtr4Z20WktY5hwvmW5aG_leRd5dwXtWMwtDHQjo

🔗 TLSA / DANE#

3 records 464ms

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…

🔐 DNSSEC#

122ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026101206
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#

WHOIS fetched 2026-10-16 09:01:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-06-18
Expires	2027-06-30 (254d)

🔗 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#

41ms

44ms

34ms

AAAA

32ms

TXT

124ms

CAA

41ms

HTTPS

28ms

TLSA

464ms

SOA

48ms

MTA-STS

52ms

DNSSEC

122ms

SRV

57ms

Total

1090ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 10:37:46	2456ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-17 09:28:08	3483ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-16 08:29:35	837ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-15 04:24:41	632ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-14 03:34:28	1184ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-13 00:08:45 shown	1090ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-11 21:49:27	1371ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-10 21:20:24	581ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-09 19:37:40	770ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-08 14:48:39	2111ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-07 14:38:29	1260ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-06 14:26:24	420ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-05 13:14:40	3898ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-04 12:58:27	3169ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-03 12:53:22	1990ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-02 12:52:26	1058ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-01 12:49:57	415ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-30 12:48:02	1616ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-29 12:46:01	864ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-28 12:41:19	1608ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-27 12:26:48	1756ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-26 12:14:59	777ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-25 12:00:15	797ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-24 11:51:27	986ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-23 11:36:13	709ms	3 NS 1 A 3 MX	🔒 Secure