`coursio.se`

DNSSEC	⚠️ Not signed
A	80.92.65.137^{🇱🇺 DCLUX-AS80.92.65.0/24}
		PTR	`80-92-65-137.ip.dclux.com`
NS	`ns1.eurodns.com` ⭐
		A	2610:1c8:b002::107^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns1.eurodns.com`
		A	199.167.66.107^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns1.eurodns.com`
NS	`ns2.eurodns.com`
		A	2610:1c8:b001::107^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns2.eurodns.com`
		A	104.37.178.107^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns2.eurodns.com`
NS	`ns3.eurodns.com`
		A	2610:1c8:b002::108^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns3.eurodns.com`
		A	199.167.66.108^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns3.eurodns.com`
NS	`ns4.eurodns.com`
		A	2610:1c8:b001::108^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns4.eurodns.com`
		A	104.37.178.108^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns4.eurodns.com`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c19::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrp-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁰⁾
		A	2a00:1450:4013:c1e::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁰⁾
		A	2a00:1450:4025:402::1a^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f26.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁰⁾
		A	2a00:1450:4013:c1e::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽¹⁰⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽¹⁰⁰⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	142.251.96.27^{🇺🇸 Google142.250.0.0/15}
			PTR	`yutulth-in-f27.1e100.net`
TXT	`v=spf1 mx ip4:46.253.206.190 ~all`
TXT	`google-site-verification=zoKhApSajprsACz1Llp9CdbgRv0jPRAzcP-wMYksgF8`
TXT	`google-site-verification=Iot_B1BC0nC8jRv-4-LFloc0CDBzVxbsAb00mpKW3Fw`
SOA	`ns1.eurodns.com`hostmaster@eurodns.com 2026-03-15 #2

`se`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.se` ⭐
	NS	`a.ns.se`
	NS	`b.ns.se`
	NS	`c.ns.se`
	NS	`f.ns.se`
	NS	`g.ns.se`
	NS	`i.ns.se`
	NS	`m.ns.se`
	NS	`x.ns.se`
	NS	`y.ns.se`
	NS	`z.ns.se`
	TXT	`SE zone update: 2026-04-04 08:41:42 +0000 (EPOCH 1775292102) (auto)`
	TXT	`id:571f68e1-5a61-4ee7-b20c-f68b1d694931`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1775292514

Same first word

coursio.com

coursio.at

coursio.net

coursio.se

coursio.in

coursio.be

coursio.fr

coursio.name

Similar names

curioso.pt

curioos.com

curioos.cloudapp.net

rocious.org

curioso.se

sociour.com

cruisoo.com

corious.de

sourcio.com

curioso.digital

curioso.it

curioso.fr

curioso.photography

curioso.nl

cusoroi.com

sourico.cn

curioso.at

DNS History

14 records (12 active, 2 former)

●NSns1.eurodns.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●NSns2.eurodns.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●NSns3.eurodns.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●NSns4.eurodns.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXalt1.aspmx.l.google.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXalt2.aspmx.l.google.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXaspmx.l.google.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXaspmx2.googlemail.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXaspmx3.googlemail.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXaspmx4.googlemail.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

●MXaspmx5.googlemail.com2015-08-09 → 2026-04-04 · 2 obs

● 2015-08-09 12:57:46
● 2026-04-04 09:43:22

○A46.253.206.1902015-08-09 → 2016-03-29 · 4 obs

● 2015-08-09 12:57:46
● 2016-03-29 11:17:16
○ 2016-06-01 22:42:24
○ 2026-04-04 09:43:22

●A80.92.65.1372026-04-04 → 2026-04-04 · 3 obs

○ 2017-05-18 05:47:52
● 2026-04-04 09:43:20
● 2026-04-04 09:43:22

○A80.92.65.532016-06-01 → 2017-05-18 · 5 obs

○ 2016-03-29 11:17:16
● 2016-06-01 22:42:24
● 2017-05-18 05:47:52
○ 2026-04-04 09:43:20
○ 2026-04-04 09:43:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	a.ns.se, b.ns.se, c.ns.se, f.ns.se...	-
coursio.se	ns2.eurodns.com, ns1.eurodns.com, ns4.eurodns.com, ns3.eurodns.com	-

✅ Authoritative Response

Server:199.167.66.108

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursio.se (unsigned zone)

⏱️ Timing

Total: 845ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.92.65.137`
NS	4	`ns1.eurodns.com, ns2.eurodns.com...`
MX	7	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 50)...`
TXT	3	`v=spf1 mx ip4:46.253.206.190 ~all, google-site-verification=zoKhApSajprsACz...`
SOA	1	`ns1.eurodns.com hostmaster.eurodns.com`

Analysis

IP Addresses

coursio.se resolves to one IP number: 80.92.65.137.

other host names including www.swipbox.dk, www.cargorange.se, falck.cz, xn--mitrdekors-3cb.dk and www.provargo.com share IP numbers with coursio.se.

Name Servers

coursio.se is delegated to four name servers: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com.

coursio.se at least partially shares name servers with other domains, for instance exagas.be, zodiacpolsystems.com, portolpenitz.info, thelocal.sk and conserva.be.

These name servers are commonly used alongside dns01.almbrand.dk and dns02.almbrand.dk.

Host names with two IP numbers:

ns1.eurodns.com points to 2610:1c8:b002::107 and 199.167.66.107; ns2.eurodns.com points to 2610:1c8:b001::107 and 104.37.178.107; ns3.eurodns.com points to 2610:1c8:b002::108 and 199.167.66.108; ns4.eurodns.com points to 2610:1c8:b001::108 and 104.37.178.108.

Mail Servers

coursio.se is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

coursio.se shares some mail servers with other domains, at least partially, for instance 054.nhwg.cap.gov, coolsmart.com, lavue.ca, pinchmemail.com and maremoto.com.