cisco.dk

📜 Historical scan 2026-06-25 22:56:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cisco.dk is a .dk domain served by 7 nameservers (ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 more). It was registered on 22 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 72.163.4.154 is hosted by CISCO SYSTEMS, INC. (AS109) in United States. 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#

7 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.markmonitor.com	149.112.160.1 2620:10a:80a8::1	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns2.markmonitor.com	176.97.158.1 2001:67c:10b8::1	ns2.markmonitor.com ns2.markmonitor.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.markmonitor.com	149.112.161.1 2620:10a:80a9::1	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
ns4.markmonitor.com	192.174.68.1 2001:67c:1bc::1	ns1.markmonitor.com ns1.markmonitor.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.markmonitor.com	149.112.160.2 2620:10a:80a8::2	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns6.markmonitor.com	176.97.158.3 2001:67c:10b8::3	ns6.markmonitor.com ns6.markmonitor.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns7.markmonitor.com	149.112.161.2 2620:10a:80a9::2	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
72.163.4.154	86400s	redirect.cisco.com	AS109	CISCO SYSTEMS, INC.	72.163.0.0/16	🇺🇸 United States	Richardson

📧 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 280ms

TXT Record
identrust_validate=/TXQ8r3E8FMEBHNe6qhoGCLPI0AtZGQEA0rRCDKsrZZ4

✉️ 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 2026-10-09 13:27:10

www	72.163.4.154 (AS109) (address records, no CNAME)
www vs bare domain	Same network cisco.dk: 72.163.4.154 (AS109) www.cisco.dk: 72.163.4.154 (AS109)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

184ms

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

🏷️ SOA#

69ms

Field	Value
Serial	2025010702
Primary NS (MNAME)	ns1.markmonitor.com
Responsible (RNAME)	jguandique@cisco.com
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 12:35:24

Field	Value
Registrar	MarkMonitor Inc.
Registered	1997-05-22
Expires	2027-06-30 (255d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

44ms

40ms

65ms

AAAA

69ms

TXT

280ms

CAA

81ms

HTTPS

86ms

TLSA

473ms

SOA

69ms

MTA-STS

84ms

DNSSEC

184ms

SRV

132ms

Total

1439ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:27:10	2505ms	7 NS 1 A 0 MX	🔓 Insecure
2026-09-30 04:56:22	2983ms	7 NS 1 A 0 MX	🔓 Insecure
2026-09-25 19:38:03	2262ms	7 NS 1 A 0 MX	🔓 Insecure
2026-09-15 20:19:50	2147ms	7 NS 1 A 0 MX	🔓 Insecure
2026-09-03 11:19:38	2538ms	7 NS 1 A 0 MX	🔓 Insecure
2026-06-25 22:56:24 shown	1439ms	7 NS 1 A 0 MX	🔓 Insecure
2026-06-16 20:55:05	647ms	7 NS 1 A 0 MX	🔓 Insecure