citibusiness.dk

📜 Historical scan 2026-07-03 15:39:13 · ← 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nsroot1.com	156.154.64.172	pdns172.ultradns.com	AS12008 Vercara, LLC
ns2.nsroot2.com	193.108.91.190	ns1-190.akam.net	AS21342 Akamai International B.V.

🌍 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 178ms

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 53ms

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#

127ms

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#

0ms

Field	Value
Serial	2021100014
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 (255d)

🔗 Same registrant#

1 domain

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
citigroup.dk	MarkMonitor Inc.

📋 WHOIS#

⏱️ Lookup Timing#

49ms

30ms

33ms

AAAA

41ms

TXT

178ms

CAA

53ms

HTTPS

37ms

TLSA

32ms

SOA

0ms

MTA-STS

56ms

DNSSEC

127ms

SRV

67ms

Total

1066ms

🕐 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 shown	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	433ms	2 NS 0 A 0 MX	🔓 Insecure