citibusiness.dk

📜 Historical scan 2026-06-16 20:55:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citibusiness.dk is a .dk domain served by 2 nameservers (ns1.nsroot1.com, ns2.nsroot2.com). It was registered on 29 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nsroot1.com	—	—	—
ns2.nsroot2.com	—	—	—

🌍 A Records#

🌍

No A records found

📧 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 122ms

TXT Record
v=spf1 include:spf-00123c01.pphosted.com -all

✉️ SPF#

Policy	Record (citibusiness.dk)
-all (hard fail)	v=spf1 include:spf-00123c01.pphosted.com -all

📨 DMARC#

Policy	Record (_dmarc.citibusiness.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc.reports.rua@citi.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

3 records 57ms

Flags	Tag	Value
128	iodef	mailto:CAADNS@citi.com
128	issue	digicert.com
128	issuewild	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 12:12:41

www CNAME	www2.citi.com (all on citi.com) → 139.45.105.83 139.45.105.89 (AS39642)
www vs bare domain	Only www resolves citibusiness.dk: no address www.citibusiness.dk: 139.45.105.83 139.45.105.89 (AS39642) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

42ms

Field	Value
Serial	2021099314
Primary NS (MNAME)	ns1.nsroot1.com
Responsible (RNAME)	hostmaster@citi.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-17 12:51:26

Field	Value
Registrar	MarkMonitor Inc.
Registered	2000-04-29
Expires	2027-06-30 (254d)

🔗 Same registrant#

2 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).

Domain	Registrar
citi.dk	MarkMonitor Inc.
citigroup.dk	MarkMonitor Inc.

📋 WHOIS#

⏱️ Lookup Timing#

45ms

67ms

58ms

AAAA

52ms

TXT

122ms

CAA

57ms

HTTPS

43ms

TLSA

84ms

SOA

42ms

MTA-STS

168ms

DNSSEC

118ms

SRV

0ms

Total

433ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 12:12:41	1198ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-30 07:10:29	573ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-26 02:04:15	778ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-17 08:24:38	8614ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-16 03:14:59	611ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-08 20:36:41	1003ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-05 22:26:40	997ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-03 15:39:13	1066ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-28 20:13:28	396ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-28 18:29:22	517ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-25 10:11:20	777ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-21 06:06:09	882ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-19 05:25:57	562ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-16 20:55:31 shown	433ms	2 NS 0 A 0 MX	🔓 Insecure