rs21totalbyg.dk DNS records

🖥️ Nameservers3 records 38ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.84	3600s	linux404.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	173.194.220.26 173.194.220.27 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 64.233.162.26 64.233.163.26 64.233.163.27	lk-in-f26.1e100.net lk-in-f27.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net li-in-f26.1e100.net lj-in-f26.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.20.205.84
🔶 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 73ms

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

📝 TXT Records3 records 156ms

TXT Record
google-site-verification=sN5irKHvvSVVFSbFobsp0a7hGpNaYnDYZE8IKZvk9r8
google-site-verification=UOv9GOiwdJEtL3dRV725A1eJ8LKdUrmHKwLxcyT5w_A
v=spf1 include:spf.simply.com include:_spf.google.com -all

✉️ SPF

Policy	Record (rs21totalbyg.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.rs21totalbyg.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

🔗 TLSA / DANE

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

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072701
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

38ms

A

50ms

MX

34ms

AAAA

49ms

TXT

156ms

CAA

44ms

HTTPS

48ms

TLSA

93ms

SOA

0ms

MTA-STS

54ms

DNSSEC

81ms

SRV

73ms

Total

645ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 04:50:56	645ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 16:10:41	3324ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 20:19:40	1224ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 08:31:47	2254ms	3 NS 1 A 1 MX	🔒 Secure	View