tier1.dk DNS records

🖥️ Nameservers4 records 44ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.209.35.226	3600s	80.209.35.226.static.fibianet.dk	AS44869	FIBIA P/S	80.209.0.0/17	🇩🇰 Denmark	Åbyhøj

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	tier1.dk	80.209.35.226	80.209.35.226.static.fibianet.dk	AS44869 FIBIA P/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 150ms

TXT Record
v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400
v=spf1 mx a ip4:5.103.128.179/32 -all

✉️ SPF

Policy	Record (tier1.dk)
-all (hard fail)	v=spf1 mx a ip4:5.103.128.179/32 -all

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.tier1.dk	CLy_cLfRBZkKu_0xp5u2wPNelV5qfNZhxZuAGxCJIdo
TXT	_acme-challenge.tier1.dk	OGtvCB_5LkncBD06ifsHGw8_0gr90utNeW9DYDUSVE8
TXT	_acme-challenge.tier1.dk	Xp0Drsz7DXJiK6cVtQYzUnVw8YBbMwbMTlonelsFXm4
TXT	_acme-challenge.tier1.dk	mqqaGYo9ckKtUKCBWVnkfBWbODPKfN2XhTj1WgkWRBQ
TXT	_acme-challenge.tier1.dk	tJHbwFTracHE1nvXK__veFFaxzRIuN4IkG-YDPbzMpU
TXT	_acme-challenge.tier1.dk	ziRIhw3LLC83d619vGP1InAp3OuoGJTJJRV8EDt0nqk
TXT	_acme-challenge.tier1.dk	zveXTcABxKQR83Atrai3abOs8oegvyfme9AabFi1HWk

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2026073100
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

44ms

A

51ms

MX

39ms

AAAA

35ms

TXT

150ms

CAA

42ms

HTTPS

51ms

TLSA

74ms

SOA

0ms

MTA-STS

58ms

DNSSEC

87ms

SRV

62ms

Total

573ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:29:25	573ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 15:50:51	2565ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 12:08:01	1554ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 09:59:06	734ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:18:00	630ms	4 NS 1 A 1 MX	🔒 Secure	View