citibusiness.dk

Records from scan: 2026-10-17 12:12:41 · 1198ms total

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 295ms

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	a1-190.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 485ms

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 261ms

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

🧩 Web & zone#

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#

375ms

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#

76ms

Field	Value
Serial	2021100514
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#

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#

295ms

256ms

245ms

AAAA

143ms

TXT

485ms

CAA

261ms

HTTPS

283ms

TLSA

152ms

SOA

76ms

MTA-STS

344ms

DNSSEC

375ms

SRV

328ms

Total

1198ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 12:12:41 shown	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	433ms	2 NS 0 A 0 MX	🔓 Insecure