fbg-byg.dk DNS records

🖥️ Nameservers4 records 45ms

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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	162.159.135.42
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 80ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 222ms

TXT Record
v=spf1 include:spf.simply.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.134.42 ~all

✉️ SPF

Policy	Record (fbg-byg.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.134.42 ~all

📨 DMARC

Policy	Record (_dmarc.fbg-byg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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
CNAME	_acme-challenge.fbg-byg.dk	fbg-byg.dk.kinstavalidation.app

🔗 TLSA / DANE2 records 50ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
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

45ms

A

58ms

MX

42ms

AAAA

54ms

TXT

222ms

CAA

71ms

HTTPS

58ms

TLSA

50ms

SOA

0ms

MTA-STS

73ms

DNSSEC

86ms

SRV

80ms

Total

652ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 02:58:36	652ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:42:41	938ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 03:03:07	814ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 05:20:19	856ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-24 18:25:04	815ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 15:50:44	3199ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 16:17:11	1012ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:17:36	1504ms	4 NS 1 A 1 MX	🔒 Secure	View