reactinstitute.dk

📜 Historical scan 2026-10-01 22:40:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

reactinstitute.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 3 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 92.204.171.253 is hosted by velia.net Internetdienste GmbH (AS29066) in France. Mail is handled by reactinstitute-dk.mail.protection.outlook.com. 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#

3 records 80ms

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 Records#

1 records 149ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
92.204.171.253	3600s	—	AS29066	velia.net Internetdienste GmbH	92.204.160.0/19	🇫🇷 France	Strasbourg

📧 MX Records#

1 records 181ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	reactinstitute-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::26 2a01:111:f403:ca3c::8 52.101.103.143 52.101.181.156 52.101.185.24 52.101.73.153	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 351ms

TXT Record
MS=ms21766067
MS=ms99514634
v=spf1 include:_spf_cd.spamtitan.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (reactinstitute.dk)
-all (hard fail)	v=spf1 include:_spf_cd.spamtitan.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.reactinstitute.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:info@reactinstitute.dk p=none

📬 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 2026-10-13 10:06:15

www CNAME	reactinstitute.dk (all on reactinstitute.dk) → 92.204.171.253 (AS29066)
www vs bare domain	Same network reactinstitute.dk: 92.204.171.253 (AS29066) www.reactinstitute.dk: 92.204.171.253 (AS29066)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

276ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2026100100
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 2026-10-01 22:50:07

Field	Value
Registrar	Simply.com A/S
Registered	2021-05-03
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

80ms

149ms

181ms

AAAA

75ms

TXT

351ms

CAA

142ms

HTTPS

155ms

TLSA

1355ms

SOA

77ms

MTA-STS

193ms

DNSSEC

276ms

SRV

341ms

Total

2560ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:06:15	1027ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 22:42:44	1544ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 22:40:29 shown	2560ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:35:08	1237ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:03:02	734ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-28 08:57:18	1158ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-22 00:52:21	1907ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-19 18:59:34	798ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:38:06	2157ms	3 NS 1 A 1 MX	🔒 Secure