holding.dk DNS records

🖥️ Nameservers3 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 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

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC155ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026082102
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

56ms

MX

62ms

AAAA

62ms

TXT

8215ms

CAA

57ms

HTTPS

62ms

TLSA

45ms

SOA

0ms

MTA-STS

51ms

DNSSEC

155ms

SRV

112ms

Total

8698ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 08:52:49	8698ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 09:06:58	1746ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 06:42:01	27530ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-17 03:51:28	773ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 20:05:30	2234ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 12:51:23	734ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 23:14:37	761ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 22:32:26	1182ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 05:54:52	910ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-07 01:44:26	849ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-02 14:42:19	16630ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-28 02:03:18	660ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 01:16:08	755ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 00:52:23	797ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 00:31:20	754ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 00:07:29	9781ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 23:26:48	706ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 18:43:20	702ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 15:35:03	12555ms	3 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 12:40:52	17493ms	3 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 07:40:12	5658ms	3 NS 0 A 0 MX	❓ Unknown	View
2026-07-14 21:24:13	2715ms	3 NS 0 A 0 MX	❓ Unknown	View
2026-07-13 09:46:00	2850ms	3 NS 0 A 0 MX	❓ Unknown	View
2026-07-10 15:43:29	2744ms	3 NS 0 A 0 MX	❓ Unknown	View
2026-07-09 03:44:21	10899ms	3 NS 0 A 0 MX	❓ Unknown	View