cityboligodense.dk

📜 Historical scan 2026-06-24 03:57:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cityboligodense.dk is a .dk domain served by 4 nameservers (ns01.hosit.dk, ns02.hosit.dk, ns03.hosit.dk and 1 more). It was registered on 23 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.17.45.100 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by mx20.check4spam.dk, mx30.check4spam.dk and 1 more. The zone is not DNSSEC-signed, has no 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 925ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.hosit.dk	193.104.202.31	ns01.hosit.dk	AS50346 It Forum Gruppen A/s
ns02.hosit.dk	87.116.23.114	ns02.hosit.dk	AS31027 GlobalConnect A/S
ns03.hosit.dk	152.115.55.201	ns04.hosit.dk	AS31027 GlobalConnect A/S
ns04.hosit.dk	152.115.55.201	ns04.hosit.dk	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 926ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.17.45.100	86400s	ec2-52-17-45-100.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.16.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

3 records 931ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx20.check4spam.dk	154.59.193.124 2001:978:2:6::f:124	fe3-r3-in.du01.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
10	86400s	mx30.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
10	86400s	mx40.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-11 06:57:08

www	52.17.45.100 (AS16509) (address records, no CNAME)
www vs bare domain	Same network cityboligodense.dk: 52.17.45.100 (AS16509) www.cityboligodense.dk: 52.17.45.100 (AS16509)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1054ms

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

🏷️ SOA#

912ms

Field	Value
Serial	2019061200
Primary NS (MNAME)	ns01.hosit.dk
Responsible (RNAME)	support@sit.dk
Refresh	28800s
Retry	7200s
Expire	1814400s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 21:34:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-09-23
Expires	2027-09-30 (337d)

📋 WHOIS#

⏱️ Lookup Timing#

925ms

926ms

931ms

AAAA

941ms

TXT

1178ms

CAA

931ms

HTTPS

940ms

TLSA

988ms

SOA

912ms

MTA-STS

2188ms

DNSSEC

1054ms

SRV

935ms

Total

4767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-01 16:02:05	818ms	4 NS 1 A 3 MX	🔓 Insecure
2026-08-27 22:02:10	911ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-25 14:24:48	1295ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-24 03:57:36 shown	4767ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-23 02:24:11	1103ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:55:21	530ms	4 NS 1 A 3 MX	🔓 Insecure