erp4students.dk

📜 Historical scan 2026-06-19 19:37:33  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erp4students.dk is a .dk domain served by 2 nameservers (ns.checkdomain.de, ns2.checkdomain.de). It was registered on 28 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.99.101.251 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx2.erp4students.dk, mx3.erp4students.dk and 1 more. The zone is not DNSSEC-signed, 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#

2 records   67ms
NameserverIP addressesPTRASN / ISP
ns.checkdomain.de 109.237.143.11
2a02:2b80:101:5000::9		 ns1.checkdomain.de
—		 AS45012 dogado GmbH
AS45012 dogado GmbH
ns2.checkdomain.de 2a01:4f8:2b02:a88::106
5.9.190.98		 ns2.checkdomain.de
ns2.checkdomain.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
88.99.101.251 300s redirect.checkdomain.de AS24940 Hetzner Online GmbH 88.99.0.0/16 🇩🇪 Germany Falkenstein

📧 MX Records#

3 records   100ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx2.erp4students.dk 2a01:4f8:10b:1067:c61b:626:b6c3:fc60
94.130.12.24		 mx2.checkdomain.de
mx2.checkdomain.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
20 300s mx3.erp4students.dk 2001:41d0:700:101a:a5d:283f:acf9:a58c
54.36.108.26		 mx3.checkdomain.de
mx3.checkdomain.de		 AS16276 OVH SAS
AS16276 OVH SAS
30 300s mx1.erp4students.dk 2a01:4f8:222:2b49:5498:d60a:e248:3219
88.198.20.145		 mx1.checkdomain.de
mx1.checkdomain.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.nicgate.com → 46.243.91.15
🔶 Autoconfigautoconfig.checkdomain.de → 46.243.91.2

🔷 AAAA Records (IPv6)#

1 records   71ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:221:11cd:9734:4c26:6044:5f33 300s redirect.checkdomain.de AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   2162ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 autoconfig.nicgate.com
_imap._tcp 0 1 143 host78.checkdomain.de

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-17 15:59:18
www88.99.101.251 2a01:4f8:221:11cd:9734:4c26:6044:5f33 (AS24940) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

155ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

66ms
FieldValue
Serial2019100102
Primary NS (MNAME)ns.checkdomain.de
Responsible (RNAME)hostmaster@checkdomain.de
Refresh40000s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-05 17:58:52
FieldValue
RegistrarInterNetX GmbH
Registered2009-06-28
Expires2027-06-30 (254d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
67ms
A
71ms
MX
100ms
AAAA
71ms
TXT
303ms
CAA
73ms
HTTPS
61ms
TLSA
185ms
SOA
66ms
MTA-STS
440ms
DNSSEC
155ms
SRV
2162ms
Total
3587ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-06-21 15:51:05 1148ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-19 19:37:33 shown 3587ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-17 08:15:56 459ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-17 08:15:49 1126ms 2 NS 1 A 3 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone