citigroup.dk

📜 Historical scan 2026-06-16 20:55:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citigroup.dk is a .dk domain served by 2 nameservers (ns1.nsroot1.com, ns2.nsroot2.com). It was registered on 13 April 1998 (WHOIS) and 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 68ms

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

🌍 A Records#

2 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
165.160.13.20	—	—	AS19574	Corporation Service Company	165.160.12.0/22	🇺🇸 United States	—
165.160.15.20	—	—	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 154ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.citigroup.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 66ms

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 17:00:33

www	165.160.13.20 165.160.15.20 (AS19574) (address records, no CNAME)
www vs bare domain	Same network citigroup.dk: 165.160.13.20 165.160.15.20 (AS19574) www.citigroup.dk: 165.160.13.20 165.160.15.20 (AS19574)
Wildcard	Yes: any name under the zone resolves

🔎 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#

135ms

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

🏷️ SOA#

67ms

Field	Value
Serial	2021099412
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 17:28:20

Field	Value
Registrar	MarkMonitor Inc.
Registered	1998-04-13
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
citibusiness.dk	MarkMonitor Inc.

📋 WHOIS#

⏱️ Lookup Timing#

68ms

AAAA

66ms

TXT

154ms

CAA

66ms

HTTPS

67ms

TLSA

61ms

SOA

67ms

MTA-STS

73ms

DNSSEC

135ms

SRV

0ms

Total

444ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 17:00:33	1971ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 19:59:46	987ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 23:40:46	712ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 21:59:46	833ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-17 23:39:42	9530ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-15 20:33:26	758ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-14 18:47:15	872ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-12 20:50:34	9935ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-06 21:33:41	8964ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-04 23:22:35	1292ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 13:06:39	9738ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 03:14:59	786ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 10:37:23	1607ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 02:09:34	980ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 20:55:32 shown	444ms	2 NS 2 A 0 MX	🔓 Insecure