citrixdemo.dk DNS records

🖥️ Nameservers4 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
pdns77.ultradns.biz	156.154.66.77 2610:a1:1015::71	pdns77.ultradns.biz pdns77.ultradns.biz	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns77.ultradns.com	156.154.64.77 2001:502:f3ff::71	pdns77.ultradns.com pdns77.ultradns.com	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns77.ultradns.net	156.154.65.77 2610:a1:1014::71	pdns77.ultradns.net pdns77.ultradns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns77.ultradns.org	156.154.67.77 2001:502:4612::71	pdns77.ultradns.org pdns77.ultradns.org	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.234.0.82	300s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇺🇸 United States	San Jose

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 246ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (citrixdemo.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.citrixdemo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rywdzx3h@ag.dmarcian.com

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	2020074379
Primary NS (MNAME)	pdns77.ultradns.com
Responsible (RNAME)	domadmin@arrow.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

38ms

MX

37ms

AAAA

42ms

TXT

246ms

CAA

34ms

HTTPS

39ms

TLSA

66ms

SOA

0ms

MTA-STS

63ms

DNSSEC

107ms

SRV

74ms

Total

559ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:54:26	559ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 21:05:33	19876ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 23:39:54	4381ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 02:23:05	945ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 02:27:03	1036ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-31 10:32:42	729ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 13:12:26	2542ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 11:13:02	1063ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 10:51:02	1022ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 10:23:42	932ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 08:46:06	8729ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 08:16:30	8853ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 02:17:01	1014ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 10:34:00	2334ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 22:18:17	963ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 18:24:43	8567ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-07 03:10:41	2082ms	4 NS 1 A 1 MX	❓ Unknown	View
2026-07-04 22:46:07	1099ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 14:38:10	796ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 07:49:32	845ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 04:45:13	811ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-26 04:15:44	1066ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 10:07:09	1107ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 14:26:05	1137ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:56:00	435ms	4 NS 1 A 0 MX	🔓 Insecure	View