gf-sejr.dk

Records from scan: 2026-10-02 19:02:03 · 3754ms total · last checked 2026-10-16 08:54 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gf-sejr.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 193.200.90.180 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.gf-sejr.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 2427ms

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 2412ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.180	300s	web8.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 2339ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.gf-sejr.dk	193.200.90.180	web8.e-studio.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	atollon.hostingnet.dk → 193.200.90.180
🔶 Autoconfig	atollon.hostingnet.dk → 193.200.90.180

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2735ms

TXT Record
v=spf1 ip4:193.200.90.180 include:_spf.e-studio.dk include:_spf.hostingnet.dk -all

✉️ SPF#

Policy	Record (gf-sejr.dk)
-all (hard fail)	v=spf1 ip4:193.200.90.180 include:_spf.e-studio.dk include:_spf.hostingnet.dk -all

📨 DMARC#

Policy	Record (_dmarc.gf-sejr.dk)
p=reject	v=DMARC1;p=reject; aspf=s

📬 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#

checked 2026-10-09 00:37:19

www CNAME	gf-sejr.dk (all on gf-sejr.dk) → 193.200.90.180 (AS62121)
www vs bare domain	Same network gf-sejr.dk: 193.200.90.180 (AS62121) www.gf-sejr.dk: 193.200.90.180 (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: 2/10 · policy: -all

error include:_spf.hostingnet.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gf-sejr.dk	bKgeXjZFw4-Kbw_kwLeoSFIUX6507RT1djlNOF1Z9TA

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

2597ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

72ms

Field	Value
Serial	2026100100
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

2427ms

2412ms

2339ms

AAAA

2428ms

TXT

2735ms

CAA

2432ms

HTTPS

416ms

TLSA

169ms

SOA

72ms

MTA-STS

2408ms

DNSSEC

2597ms

SRV

2618ms

Total

3754ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 19:02:03 shown	3754ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-01 18:31:28	659ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 18:20:10	572ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 14:56:26	1499ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 20:33:32	558ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-11 01:57:44	9423ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-03 00:08:19	460ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 07:22:44	591ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-25 08:10:06	16705ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 05:10:57	1234ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:05:40	10486ms	0 NS 0 A 0 MX	❓ Unknown