richardsonrfpd.dk DNS records

🖥️ Nameservers4 records 55ms

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 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.234.0.82	900s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇺🇸 United States	San Jose

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	. 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 273ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.richardsonrfpd.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 Records1 records 54ms

Flags	Tag	Value
0	issue	;

🔗 TLSA / DANE

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

🔐 DNSSEC9089ms

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

🏷️ SOA70ms

Field	Value
Serial	2017093403
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

55ms

A

62ms

MX

44ms

AAAA

62ms

TXT

273ms

CAA

54ms

HTTPS

74ms

TLSA

71ms

SOA

70ms

MTA-STS

83ms

DNSSEC

9089ms

SRV

98ms

Total

9441ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 21:10:42	9441ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 13:19:39	576ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 16:45:57	2036ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 16:00:23	3769ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 15:55:44	853ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 11:47:50	1346ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 17:25:48	1017ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 16:04:49	1024ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-04 23:41:42	2664ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-03 11:21:30	821ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-02 02:56:45	753ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-31 06:37:19	16433ms	4 NS 1 A 0 MX	🔓 Insecure	View
2026-07-27 14:35:18	880ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 14:16:34	8832ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 14:02:36	9648ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 13:46:14	874ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 12:45:37	9654ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 11:06:39	10142ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 08:45:03	2825ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 20:13:47	798ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 19:55:53	813ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 00:05:28	732ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 14:34:30	2772ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-13 07:41:52	732ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 23:30:51	9682ms	4 NS 1 A 1 MX	🔓 Insecure	View