isob.dk

📜 Historical scan 2026-09-15 19:55:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isob.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 165.160.13.20 is hosted by Corporation Service Company (AS19574) in United States. 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#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	edns1.ultradns.com ns1.webipdns.com.au	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	edns1.ultradns.org udns2.cscdns.uk	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
165.160.13.20	86400s	—	AS19574	Corporation Service Company	165.160.12.0/22	🇺🇸 United States	—
165.160.15.20	86400s	—	AS19574	Corporation Service Company	165.160.12.0/22	🇺🇸 United States	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 270ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (isob.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.isob.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:bg3a1wcx@ag.eu.dmarcian.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 69ms

Flags	Tag	Value
0	iodef	mailto:ssl@lego.com
0	issue	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 04:49:04

www	165.160.13.20 165.160.15.20 (AS19574) (address records, no CNAME)
www vs bare domain	Same network isob.dk: 165.160.13.20 165.160.15.20 (AS19574) www.isob.dk: 165.160.13.20 165.160.15.20 (AS19574)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2019101512
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	28800s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

29ms

38ms

72ms

AAAA

56ms

TXT

270ms

CAA

69ms

HTTPS

50ms

TLSA

62ms

SOA

0ms

MTA-STS

100ms

DNSSEC

78ms

SRV

88ms

Total

620ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:53:32	492ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 22:12:19	1258ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-15 19:55:39 shown	620ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 14:57:50	725ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-22 13:23:35	16584ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-30 10:15:15	821ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 11:08:58	1676ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 03:03:05	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 18:10:13	569ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 00:57:06	956ms	2 NS 2 A 0 MX	🔓 Insecure