`mail.cursuswordpress.com`

CNAME	`cursuswp.com`
DNSSEC	⚠️ Not signed
A	45.82.191.53^{🇳🇱 DUOCAST-AS45.82.188.0/22}
		PTR	`shared75.cloud86-host.nl`
NS	`ns1.cloud86.nl` ⭐
		A	2a0e:7280:0:188:13:1337:53:1^{🇳🇱 DUOCAST-AS2a0e:7280::/29}
			PTR	`ns1.cloud86.nl`
		A	45.82.188.13^{🇳🇱 DUOCAST-AS45.82.188.0/22}
			PTR	`ns1.cloud86.nl`
NS	`ns2.cloud86.nl`
		A	2001:1af8:4700:a05c:11:1337:53:1^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
			PTR	`ns2.cloud86.nl`
		A	81.171.31.1^{🇳🇱 LEASEWEB-NL-AMS-0181.171.0.0/19}
			PTR	`ns2.cloud86.nl`
NS	`ns3.cloud86.eu`
		A	2a00:c98:2050:a003:c:1337:53:1^{🇩🇪 LEASEWEB-DE-FRA-102a00:c98::/32 LeaseWeb DE}
			PTR	`ns3.cloud86.eu`
		A	178.162.193.21^{🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18}
			PTR	`ns3.cloud86.eu`
MX	`cursuswp.com` ⭐
		A	45.82.191.53^{🇳🇱 DUOCAST-AS45.82.188.0/22}
			PTR	`shared75.cloud86-host.nl`
TXT	`v=spf1 +a +mx +ip4:45.82.191.53 -all`
SOA	`ns1.cloud86.nl`hostmaster@cloud86.io 2025-04-02 #3

`cursuswordpress.com`

	DNSSEC	⚠️ Not signed
	A	45.82.191.53^{🇳🇱 DUOCAST-AS45.82.188.0/22}
	NS	`ns3b.dmg.nu` ⭐
	NS	`ns4b.dmg.nu`
	MX	`cursuswp.com` ⭐
	TXT	`v=spf1 +a +mx +ip4:45.82.191.53 -all`
	SOA	`ns3b.dmg.nu`hostmaster@cursuswordpress.com 2025-04-02 #14

Previously MX for

cursuswordpress.com

Same first word

mail.ngo.za

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

mail.kh.ua

mail.ru

mail.myeffect.net

mail.myshopify.com

mail.123hjemmeside.dk

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mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

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mail.gov.mz

mail.gov.ph

mail.veterinaire.fr

mail.ee

mail.yokohama

mail.mu

mail.nflfan.org

mail.bayern

mail.leczna.pl

mail.dnsalias.com

mail.com.tr

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DNS History

2 records (1 active, 1 former)

○A185.27.141.1712015-06-18 → 2016-04-17 · 4 obs

● 2015-06-18 14:31:58
● 2016-04-17 07:00:16
○ 2026-03-29 10:37:14
○ 2026-03-29 10:37:16

●CNAMEcursuswp.com2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 10:37:14
● 2026-03-29 10:37:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
cursuswordpress.com	ns3b.dmg.nu, ns4b.dmg.nu	-

✅ Authoritative Response

Server:185.233.212.34

NS records: ns3b.dmg.nu, ns4b.dmg.nu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cursuswordpress.com (unsigned zone)

⏱️ Timing

Total: 3946ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`cursuswp.com`

Analysis

IP Addresses

mail.cursuswordpress.com maps to IP address 45.82.191.53.

Other host names, for instance echtemannen.nl, cursuswordpress.com, kennisdelen.org, mx20.echtemannen.nl and berrytimmermans.nl share IP numbers with mail.cursuswordpress.com.

Name Servers

mail.cursuswordpress.com is delegated to name servers ns3.cloud86.eu, ns1.cloud86.nl and ns2.cloud86.nl.

mail.cursuswordpress.com at least partially shares name servers with other domains such as elsstolk.com, bingoonline.be, thehealthsessions.com, anderefilm.be and wastafelkranen.nl.

Host names with two IP numbers:

ns3.cloud86.eu points to 2a00:c98:2050:a003:c:1337:53:1 and 178.162.193.21.

ns1.cloud86.nl points to 2a0e:7280:0:188:13:1337:53:1 and 45.82.188.13.

ns2.cloud86.nl points to 2001:1af8:4700:a05c:11:1337:53:1 and 81.171.31.1.

Mail Servers

mail.cursuswordpress.com is handled by a single mail server, cursuswp.com.

mail.cursuswordpress.com uses the same mail server setup as other domains, for instance cursuswp.com and cursuswordpress.com.

cursuswp.com points to one IP number: 45.82.191.53.

mail.cursuswordpress.com - robtex.com