react.dk - dns.ninja

`react.dk`

DNSSEC	🔒 Signed (DS record present)
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`react-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`MS=ms92463047`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all`
SOA	`ns1.simply.com`hostmaster@simply.com 2023-12-28 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1780918381localtime Mon Jun 8 13:33:01 2026gmtime Mon Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1780918381

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DNS History

21 records (5 active, 16 former)

○NSns01.one.com2016-06-30 → 2019-12-30 · 5 obs

○ 2015-11-27 16:42:52
● 2016-06-30 12:19:54
● 2019-12-30 16:13:34
○ 2026-03-18 15:46:36
○ 2026-06-08 11:42:14

○NSns02.one.com2016-06-30 → 2019-12-30 · 5 obs

○ 2015-11-27 16:42:52
● 2016-06-30 12:19:54
● 2019-12-30 16:13:34
○ 2026-03-18 15:46:36
○ 2026-06-08 11:42:14

○NSns1.gratisdns.dk2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 18:44:36
○ 2015-11-27 16:42:52
○ 2026-06-08 11:42:14

●NSns1.simply.com2026-03-18 → 2026-06-08 · 3 obs

○ 2019-12-30 16:13:34
● 2026-03-18 15:46:36
● 2026-06-08 11:42:14

○NSns2.gratisdns.dk2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 18:44:36
○ 2015-11-27 16:42:52
○ 2026-06-08 11:42:14

●NSns2.simply.com2026-03-18 → 2026-06-08 · 3 obs

○ 2019-12-30 16:13:34
● 2026-03-18 15:46:36
● 2026-06-08 11:42:14

○NSns3.gratisdns.dk2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 18:44:36
○ 2015-11-27 16:42:52
○ 2026-06-08 11:42:14

●NSns3.simply.com2026-03-18 → 2026-06-08 · 3 obs

○ 2019-12-30 16:13:34
● 2026-03-18 15:46:36
● 2026-06-08 11:42:14

○NSns4.gratisdns.dk2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 18:44:36
○ 2015-11-27 16:42:52
○ 2026-06-08 11:42:14

●NSns4.simply.com2026-03-18 → 2026-06-08 · 3 obs

○ 2019-12-30 16:13:34
● 2026-03-18 15:46:36
● 2026-06-08 11:42:14

○NSns5.gratisdns.dk2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 18:44:36
○ 2015-11-27 16:42:52
○ 2026-06-08 11:42:14

○NSolga.ns.cloudflare.com2015-11-27 → 2015-11-27 · 4 obs

○ 2015-06-15 18:44:36
● 2015-11-27 16:42:52
○ 2016-06-30 12:19:54
○ 2026-06-08 11:42:14

○NStodd.ns.cloudflare.com2015-11-27 → 2015-11-27 · 4 obs

○ 2015-06-15 18:44:36
● 2015-11-27 16:42:52
○ 2016-06-30 12:19:54
○ 2026-06-08 11:42:14

○MXmail1.inota.dk2015-06-15 → 2015-11-27 · 4 obs

● 2015-06-15 18:44:36
● 2015-11-27 16:42:52
○ 2016-06-30 12:19:54
○ 2026-06-08 11:42:14

●MXreact-dk.mail.protection.outlook.com2016-06-30 → 2026-06-08 · 3 obs

○ 2015-11-27 16:42:52
● 2016-06-30 12:19:54
● 2026-06-08 11:42:14

○A104.31.78.802015-11-27 → 2015-11-27 · 4 obs

○ 2015-06-15 18:44:36
● 2015-11-27 16:42:52
○ 2016-06-30 12:19:54
○ 2026-06-08 11:42:14

○A104.31.79.802015-11-27 → 2015-11-27 · 4 obs

○ 2015-06-15 18:44:36
● 2015-11-27 16:42:52
○ 2016-06-30 12:19:54
○ 2026-06-08 11:42:14

○A192.71.245.2212015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 18:44:36
○ 2015-11-27 16:42:52
○ 2026-06-08 11:42:14

○A2a02:2350:5:104:8d40:0:dfc2:a77c2019-12-30 → 2019-12-30 · 4 obs

○ 2016-06-30 12:19:54
● 2019-12-30 16:13:34
○ 2026-03-18 15:46:36
○ 2026-06-08 11:42:14

○A46.30.213.1072016-06-30 → 2016-06-30 · 4 obs

○ 2015-11-27 16:42:52
● 2016-06-30 12:19:54
○ 2019-12-30 16:13:34
○ 2026-06-08 11:42:14

○A46.30.215.532019-12-30 → 2019-12-30 · 4 obs

○ 2016-06-30 12:19:54
● 2019-12-30 16:13:34
○ 2026-03-18 15:46:36
○ 2026-06-08 11:42:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
react.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.80

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 960ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns2.simply.com, ns1.simply.com...`
MX	1	`react-dk.mail.protection.outlook.com (pr`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms92463047`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Name Servers

DNS for react.dk is handled by 4 name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

react.dk partially shares its NS delegation with several other domains, including gasmedstil.dk, exitplan.dk, elbud.dk and two others.

These name servers are regularly seen alongside ns1.unoeuro.com and ns2.unoeuro.com as name servers.

Hosts with two IP numbers each:

ns1.simply.com has two IP addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com has two IP addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Host names with one IP number:

ns3.simply.com directs to 91.197.248.79.

ns4.simply.com directs to 91.197.248.80.

Mail Servers

react.dk routes its mail through a single mail server, react-dk.mail.protection.outlook.com.

react-dk.mail.protection.outlook.com directs to 8 IP addresses, namely 52.101.68.18, 52.101.68.27, 52.101.73.12 and five others.