folf.dk DNS records

🖥️ Nameservers4 records 47ms

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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.50.15	600s	inf.instinct.dk	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail01.instinct.dk	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	folf.dk → 136.243.50.15
🔶 Autoconfig	folf.dk → 136.243.50.15

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 163ms

TXT Record
google-site-verification=na_4r0DKlGOZkf1_UdpiO-TeIASWsl2ukPaOFYTWV74

✉️ 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.folf.dk	9jEGF2E5q8Lx08T0c-2u25GswRQpDXRmA-n9K6G_Z5U
TXT	_acme-challenge.folf.dk	DN0CTQ69S0KDUwy8oyi6CtdUB0cYi2IPtlMKhzfHvw4
TXT	_acme-challenge.folf.dk	N1xbeCoYUSO8Ys9BAAACo9jYRlpVb87JDYNMZV_3jNk
TXT	_acme-challenge.folf.dk	PAA9CiENyky9GH-mC0TpsBYq8tfGFLxYsjIXOkcfsPc
TXT	_acme-challenge.folf.dk	PCcTP_3F9a5yE-Ur4Gw9GrSsbeoVsH6D4ltvq9OnYnE
TXT	_acme-challenge.folf.dk	QT7qDtvl0fB9DoP-c05sd5Gd4GpvTc9VAc0amwBsI00
TXT	_acme-challenge.folf.dk	R3kWLJ70nOm_j3b_x41PkeLrHYK_rxvDfSVgidJcEPE
TXT	_acme-challenge.folf.dk	RE698LDGL6Kf3i2rWl4AHEFW6KBMVfu0lPpE1xmOMdA
TXT	_acme-challenge.folf.dk	UOiWuqQSTzBO2jYAtJ6HbYvancC7gHKtx7QB6TVKNlc
TXT	_acme-challenge.folf.dk	YPKNxVTuQfA63HSaT-WfB2ZNuoD2y0o4YxKa_hmy7O0
TXT	_acme-challenge.folf.dk	YbkNNa__ntbTBc5dF4tJGaaEoj0vOOzn0Npcsmj5QSI
TXT	_acme-challenge.folf.dk	ZsMeGZu2MUoukMP0PqD4Q3Q01E2B_HHGlkhLykQdiok
TXT	_acme-challenge.folf.dk	aj_-0ohFV5plpNC7JlRmh2RXjskfMoF27vwgUMsLdeg
TXT	_acme-challenge.folf.dk	cxSZ_pUyCUuHo0ZDtspPjlBU6nIEVty9k_pZHsdzQh4
TXT	_acme-challenge.folf.dk	dRP_QrrDuyhcCNYc5OIsKBvnOBbWUv_IOHcmh5SjorA
TXT	_acme-challenge.folf.dk	gSKjCZP9w5L_XskXwicePi2ypt9mGNQ7ZZzhLseH5Mo
TXT	_acme-challenge.folf.dk	sUkoiEWmMw6cEjubU2ISNtQfsBOqoqUElHkMfgs36Ms
TXT	_acme-challenge.folf.dk	vt88UYcOilsBY44RIeOilW_TXabvT91Z0iT-PNHR1_I

🔗 TLSA / DANE

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

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081300
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

47ms

A

56ms

MX

41ms

AAAA

64ms

TXT

163ms

CAA

78ms

HTTPS

43ms

TLSA

257ms

SOA

0ms

MTA-STS

70ms

DNSSEC

82ms

SRV

78ms

Total

926ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:46:26	926ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 05:15:12	871ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 03:32:46	3563ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 15:04:10	1107ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 10:32:33	1155ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 09:30:39	563ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:26:47	692ms	4 NS 1 A 1 MX	🔒 Secure	View