skolebladet.dk

📜 Historical scan 2026-06-18 08:05:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skolebladet.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 16 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 154ms

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 164ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.178	—	web6.e-studio.dk	AS62121	—	—	—	—

📧 MX Records#

3 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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	—	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	—	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	193.200.90.178
🔶 Autoconfig	193.200.90.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 150ms

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

📝 TXT Records#

1 records 271ms

TXT Record
v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (skolebladet.dk)
-all (hard fail)	v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all

📨 DMARC#

Policy	Record (_dmarc.skolebladet.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 21:18:03

www CNAME	skolebladet.dk (all on skolebladet.dk) → 193.200.90.178 (AS62121)
www vs bare domain	Same network skolebladet.dk: 193.200.90.178 (AS62121) www.skolebladet.dk: 193.200.90.178 (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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records 113ms

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#

225ms

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

🏷️ SOA#

151ms

Field	Value
Serial	2026050701
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 2026-10-18 13:32:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-11-16
Expires	2026-11-30 (37d)

🔗 Same registrant#

3 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).

Domain	Registrar
klippeklistre.dk	Punktum dk A/S (direct)
netsted.dk	Punktum dk A/S (direct)
stjerneklip.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

154ms

164ms

159ms

AAAA

156ms

TXT

271ms

CAA

147ms

HTTPS

165ms

TLSA

113ms

SOA

151ms

MTA-STS

165ms

DNSSEC

225ms

SRV

150ms

Total

943ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 21:18:03	578ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-01 05:41:57	609ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-29 17:04:57	656ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-11 15:28:06	1122ms	3 NS 1 A 3 MX	🔒 Secure
2026-07-09 02:45:20	1536ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-18 08:05:43 shown	943ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-18 07:57:21	880ms	3 NS 1 A 3 MX	🔒 Secure