stenhus-gym.dk

📜 Historical scan 2026-06-19 15:10:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stenhus-gym.dk is a .dk domain served by 4 nameservers (ns1.nhl-data.dk, ns2.nhl-data.dk, ns3.nhl-data.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.247 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is not DNSSEC-signed, 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#

4 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.247	3600s	vps3.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

3 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
20	3600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.62.184

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 284ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

9 records 278ms

TXT Record
8ns265so51f3flb7thvrjglgio
90muiohup3kvf9a49af4203gik
apple-domain-verification=PojUZB0xwT4M96aJ
PojUZB0xwT4M96aJ
RAaFRMK
Stenhus Gymnasium
uvmid=315014
v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:spf.comendosystems.com ip4:62.116.201.16/28 ip4:217.116.221.157 ip4:87.116.7.13 include:dedicated.mysmtp.com ip4:178.20.217.247 -all
v=spf1 include:spf.ubivox.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (stenhus-gym.dk)
-all (hard fail)	v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:spf.comendosystems.com ip4:62.116.201.16/28 ip4:217.116.221.157 ip4:87.116.7.13 include:dedicated.mysmtp.com ip4:178.20.217.247 -all
-all (hard fail)	v=spf1 include:spf.ubivox.com -all

📨 DMARC#

Policy	Record (_dmarc.stenhus-gym.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:663b6ded460e1@dmarc-dk.centerasecurity.com; ruf=mailto:abuse@stenhus-gym.dk; fo=0; pct=100; ri=86400

📬 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 2026-10-22 05:53:17

www	178.20.217.247 (AS21060) (address records, no CNAME)
www vs bare domain	Same network stenhus-gym.dk: 178.20.217.247 (AS21060) www.stenhus-gym.dk: 178.20.217.247 (AS21060)
Wildcard	No

✍️ 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: 9/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)
warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

6 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

135ms

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

🏷️ SOA#

69ms

Field	Value
Serial	2026041303
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

69ms

62ms

69ms

AAAA

59ms

TXT

278ms

CAA

58ms

HTTPS

59ms

TLSA

81ms

SOA

69ms

MTA-STS

65ms

DNSSEC

135ms

SRV

284ms

Total

2130ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 16:41:27	871ms	4 NS 1 A 3 MX	🔓 Insecure
2026-09-05 05:26:19	1393ms	4 NS 1 A 3 MX	🔓 Insecure
2026-08-28 03:55:11	1085ms	4 NS 1 A 3 MX	🔓 Insecure
2026-08-25 20:12:18	872ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-28 11:03:06	2368ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-24 03:03:09	4521ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-22 23:56:52	928ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-19 15:10:23 shown	2130ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-17 15:05:41	875ms	4 NS 1 A 3 MX	🔓 Insecure