studenthouse.dk

📜 Historical scan 2026-09-15 09:12:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studenthouse.dk is a .dk domain served by 2 nameservers (aron.ns.cloudflare.com, ishaan.ns.cloudflare.com). It was registered on 11 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.114 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by studenthouse-dk.mail.protection.outlook.com. 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   143ms
NameserverIP addressesPTRASN / ISP
aron.ns.cloudflare.com 108.162.192.69
172.64.32.69
173.245.58.69
2606:4700:50::adf5:3a45
2803:f800:50::6ca2:c045
2a06:98c1:50::ac40:2045		 aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ishaan.ns.cloudflare.com 108.162.195.213
162.159.44.213
172.64.35.213
2606:4700:58::a29f:2cd5
2803:f800:50::6ca2:c3d5
2a06:98c1:50::ac40:23d5		 ishaan.ns.cloudflare.com
ishaan.ns.cloudflare.com
ishaan.ns.cloudflare.com
ishaan.ns.cloudflare.com
ishaan.ns.cloudflare.com
ishaan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   94ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.84.114 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.191.145 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   127ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s studenthouse-dk.mail.protection.outlook.com 2a01:111:f403:ca04::a
2a01:111:f403:ca21::a
2a01:111:f403:ca21::c
2a01:111:f403:ca48::c
52.101.103.143
52.101.73.145
52.101.91.162
52.101.91.21		 mail-du0pr03cu00102.inbound.protection.outlook.com
mail-maspr04cu00102.inbound.protection.outlook.com
mail-matpr04cu00204.inbound.protection.outlook.com
mail-miypr03cu00104.inbound.protection.outlook.com
mail-miypr03cu00107.inbound.protection.outlook.com
mail-am6pr02cu00301.inbound.protection.outlook.com
mail-matpr04cu00302.inbound.protection.outlook.com
mail-matpr05cu00105.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.84.114

🔷 AAAA Records (IPv6)#

2 records   138ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:bf91 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:5472 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   119ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.84.114,172.67.191.145 ech=AEX+DQBBYwAgACD0qFfxmEtlVDuyiDd/T9quXeDkl74Zci3XEjZg1TblfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bf91,2606:4700:3035::6815:5472

🔌 SRV Records#

1 records   160ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

1 records   290ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (studenthouse.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -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 2026-10-08 07:08:21
www104.21.84.114 172.67.191.145 2606:4700:3034::ac43:bf91 2606:4700:3035::6815:5472 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.studenthouse.dk -XvctpU1X9ZnZxfJ5T5A239hRcvflZ3W52WtLMlmG28
TXT _acme-challenge.studenthouse.dk _QYBEWedjvswIabFtEF9FtN5Z7V9eQOVaFWy2EZeR_o

🔗 TLSA / DANE#

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

🔐 DNSSEC#

168ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414927012
Primary NS (MNAME)aron.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 20:21:06
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-09-11
Expires2027-09-10 (322d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
143ms
A
94ms
MX
127ms
AAAA
138ms
TXT
290ms
CAA
127ms
HTTPS
119ms
TLSA
329ms
SOA
0ms
MTA-STS
112ms
DNSSEC
168ms
SRV
160ms
Total
2212ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 19:53:49 1363ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-22 07:23:30 1392ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-15 09:12:02 shown 2212ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-01 20:17:11 2184ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-07 19:36:43 1961ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-19 07:22:42 17465ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-03 00:33:29 1685ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 23:34:26 2582ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 21:00:46 4232ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 17:30:26 929ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 09:01:13 1171ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 07:38:34 6143ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-22 00:30:51 1090ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 11:57:27 1268ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone