cityschool.dk

Records from scan: 2026-10-07 21:46:59 · 1111ms total · last checked 2026-10-17 10:06 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cityschool.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 registered on 18 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.48 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cityschool-dk.mail.protection.outlook.com. 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#

4 records 34ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.48	3600s	nt38.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cityschool-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca21::10 2a01:111:f403:ca21::e 2a01:111:f403:ca48::8 52.101.181.153 52.101.185.21 52.101.68.29 52.101.73.153	mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 209ms

TXT Record
mandrill_verify.JyGM8o0WdBP6Kg9Tniyk-g
MS=ms16608494
P-8QsSjre8yG
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.permido.com -all

✉️ SPF#

Policy	Record (cityschool.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.permido.com -all

📨 DMARC#

Policy	Record (_dmarc.cityschool.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#

checked 2026-10-07 21:46:59

www	93.191.156.48 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cityschool.dk: 93.191.156.48 (AS48854) www.cityschool.dk: 93.191.156.48 (AS48854)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2024090401
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#

WHOIS fetched 2026-10-08 05:17:21

Field	Value
Registrar	NHL DATA ApS
Registered	2013-11-18
Expires	2026-11-30 (43d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

37ms

AAAA

47ms

TXT

209ms

CAA

37ms

HTTPS

39ms

TLSA

642ms

SOA

39ms

MTA-STS

59ms

DNSSEC

62ms

SRV

70ms

Total

1111ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:46:59 shown	1111ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 06:30:49	1068ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-02 00:20:24	915ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:15:21	65535ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:18:45	1981ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:05:34	630ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:01:12	694ms	4 NS 1 A 1 MX	🔓 Insecure