rexpc.dk

📜 Historical scan 2026-06-18 05:38:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rexpc.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 8 April 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.108.241 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 122ms

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 Records#

1 records 118ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.241	—	linux42.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 124ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.250.150.26 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b	la-in-f26.1e100.net lu-in-x1b.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	173.194.43.27 2607:f8b0:400e:c1e::1b	yudlsqd-in-f27.1e100.net yudlsqd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.108.241
🔶 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 Records#

1 records 144ms

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

📝 TXT Records#

2 records 300ms

TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com -all
v=spf1 include:spf.simply.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

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

📨 DMARC#

Policy	Record (_dmarc.rexpc.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 05:41:49

www	104.21.53.188 172.67.216.44 2606:4700:3037::6815:35bc 2606:4700:3037::ac43:d82c (AS13335) (address records, no CNAME)
www vs bare domain	Same network rexpc.dk: 104.21.53.188 172.67.216.44 2606:4700:3037::6815:35bc 2606:4700:3037::ac43:d82c (AS13335) www.rexpc.dk: 104.21.53.188 172.67.216.44 2606:4700:3037::6815:35bc 2606:4700:3037::ac43:d82c (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

226ms

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

🏷️ SOA#

124ms

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#

WHOIS fetched 2026-09-18 03:16:42

Field	Value
Registrar	Simply.com A/S
Registered	2015-04-08
Expires	2027-04-30 (188d)

📋 WHOIS#

⏱️ Lookup Timing#

122ms

118ms

124ms

AAAA

136ms

TXT

300ms

CAA

130ms

HTTPS

138ms

TLSA

58ms

SOA

124ms

MTA-STS

117ms

DNSSEC

226ms

SRV

144ms

Total

856ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 05:41:49	2695ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 08:14:07	697ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 14:29:20	3144ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 13:37:48	969ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 13:17:36	972ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-18 03:05:44	2243ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 11:27:16	1054ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-27 03:07:45	1432ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-26 02:30:06	1593ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-20 15:22:31	1214ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-25 06:50:57	1847ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-18 05:38:31 shown	856ms	4 NS 1 A 5 MX	🔒 Secure