nersting.dk

📜 Historical scan 2026-06-25 06:01:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nersting.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.61.100.188 is hosted by TDC Holding A/S (AS3292) 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 has no IPv6 address. 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 35ms

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 34.34-46.152.69.62.in-addr.arpa	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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.61.100.188	14400s	0x573d64bc.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.61.0.0/17	🇩🇰 Denmark	Aarhus

📧 MX Records#

3 records 52ms

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	195.242.131.64
🔶 Autoconfig	195.242.131.64

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 144ms

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

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 ip4:195.242.131.64 include:_spf.e-studio.dk +a +mx ~all

✉️ SPF#

Policy	Record (nersting.dk)
~all (soft fail)	v=spf1 ip4:195.242.131.64 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 2026-10-10 21:22:24

www CNAME	nersting.dk (all on nersting.dk) → 87.61.100.188 (AS3292)
www vs bare domain	Same network nersting.dk: 87.61.100.188 (AS3292) www.nersting.dk: 87.61.100.188 (AS3292)
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.nersting.dk	zwLYlyOpWFQ1hnwKYJnXGL1YlsBkTik7JBrdMpgemM4

🔗 TLSA / DANE#

3 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…

🔐 DNSSEC#

75ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2026052301
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@e-studio.dk
Refresh	3600s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

38ms

52ms

AAAA

35ms

TXT

175ms

CAA

51ms

HTTPS

51ms

TLSA

103ms

SOA

77ms

MTA-STS

96ms

DNSSEC

75ms

SRV

144ms

Total

961ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 15:16:28	766ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-13 19:37:32	687ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-11 09:59:52	1280ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-01 04:02:03	1186ms	3 NS 1 A 3 MX	🔒 Secure
2026-08-27 15:16:20	627ms	3 NS 1 A 3 MX	🔒 Secure
2026-07-24 03:30:12	1233ms	3 NS 1 A 3 MX	🔒 Secure
2026-07-06 21:23:38	1355ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-26 13:08:45	830ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-25 06:01:12 shown	961ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-21 20:53:36	1047ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:19:38	2290ms	3 NS 1 A 3 MX	🔒 Secure