ydeholst.dk DNS records

🖥️ Nameservers3 records 83ms

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 Records

🌍

No A records found

📧 MX Records2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	3600s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 252ms

TXT Record
v=spf1 include:spf.messagingengine.com -all

✉️ SPF

Policy	Record (ydeholst.dk)
-all (hard fail)	v=spf1 include:spf.messagingengine.com -all

📨 DMARC

Policy	Record (_dmarc.ydeholst.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:lasse@ydeholst.dk

📬 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)

🔐 DNSSEC194ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081100
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

83ms

A

42ms

MX

53ms

AAAA

37ms

TXT

252ms

CAA

59ms

HTTPS

80ms

TLSA

232ms

SOA

0ms

MTA-STS

125ms

DNSSEC

194ms

SRV

109ms

Total

1227ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:33:05	1227ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-08-12 12:31:46	1936ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-07-06 01:10:17	1349ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-25 08:10:37	633ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-23 01:29:51	1118ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 22:45:12	746ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 06:52:19	735ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-18 09:11:34	1115ms	3 NS 0 A 2 MX	🔒 Secure	View