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`open2study.com`

DNSSEC	⚠️ Not signed
A	13.212.116.161^{🇸🇬 Amazon}
		PTR	`ec2-13-212-116-161.ap-southeast-1.compute.amazonaws.com`
NS	`kiki.bunny.net` ⭐
		A	2400:52e0:fff0::1^{🇸🇮 BunnyCDN}
		A	91.200.176.1^{🇸🇮 BunnyCDN}
			PTR	`kiki.bunny.net`
NS	`coco.bunny.net`
		A	2400:52e0:fff2::1^{🇸🇮 BunnyCDN}
		A	109.104.147.1^{🇸🇮 BunnyCDN}
			PTR	`coco.bunny.net`
MX	`eu-smtp-inbound-1.mimecast.com`⁽⁹⁹⁹⁾
		A	91.220.42.201^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.211^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.241^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.201^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.211^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.241^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
MX	`eu-smtp-inbound-2.mimecast.com`⁽⁹⁹⁹⁾
		A	91.220.42.201^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.211^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.241^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.201^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.211^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.241^{🇬🇧 MIMECAST-UK}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
SOA	`kiki.bunny.net`hostmaster@bunny.net 2020-03-22 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1770918430

rank #156832 globally
rank #72349 in the tld
📈 Tranco rank: #658,854

Same first word

open2study.online

open2study.net

open2study.com

DNS History

26 records (5 active, 21 former)

●NScoco.bunny.net2026-02-15 → 2026-02-15 · 3 obs

○ 2017-09-03 08:30:18
● 2026-02-15 04:38:24
● 2026-02-15 04:38:26

●NSkiki.bunny.net2026-02-15 → 2026-02-15 · 3 obs

○ 2017-09-03 08:30:18
● 2026-02-15 04:38:24
● 2026-02-15 04:38:26

○NSns-1157.awsdns-16.org2015-06-26 → 2017-04-03 · 4 obs

● 2015-06-26 00:49:56
● 2017-04-03 00:42:20
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

○NSns-1519.awsdns-61.org2017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○NSns-1605.awsdns-08.co.uk2017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○NSns-1639.awsdns-12.co.uk2015-06-26 → 2017-04-03 · 4 obs

● 2015-06-26 00:49:56
● 2017-04-03 00:42:20
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

○NSns-325.awsdns-40.com2015-06-26 → 2017-04-03 · 4 obs

● 2015-06-26 00:49:56
● 2017-04-03 00:42:20
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

○NSns-479.awsdns-59.com2017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○NSns-702.awsdns-23.net2017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○NSns-967.awsdns-56.net2015-06-26 → 2017-04-03 · 4 obs

● 2015-06-26 00:49:56
● 2017-04-03 00:42:20
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

●MXeu-smtp-inbound-1.mimecast.com2017-06-19 → 2026-02-15 · 3 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2026-02-15 04:38:26

●MXeu-smtp-inbound-2.mimecast.com2017-06-19 → 2026-02-15 · 3 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2026-02-15 04:38:26

○MXmail.open2study.com2015-06-26 → 2017-04-03 · 4 obs

● 2015-06-26 00:49:56
● 2017-04-03 00:42:20
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

●A13.212.116.1612026-02-15 → 2026-02-15 · 3 obs

○ 2017-09-03 08:30:18
● 2026-02-15 04:38:24
● 2026-02-15 04:38:26

○A52.64.174.482017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○A52.64.90.2012017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○A52.65.93.1672017-06-19 → 2017-09-03 · 5 obs

○ 2017-04-03 00:42:20
● 2017-06-19 13:23:36
● 2017-09-03 08:30:18
○ 2026-02-15 04:38:24
○ 2026-02-15 04:38:26

○A54.252.100.432017-04-03 → 2017-04-03 · 4 obs

○ 2017-03-06 22:29:20
● 2017-04-03 00:42:20
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

○A54.252.106.1792017-02-13 → 2017-02-13 · 4 obs

○ 2016-12-06 08:56:04
● 2017-02-13 03:26:18
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

○A54.252.108.912016-05-22 → 2016-07-27 · 5 obs

○ 2016-04-17 16:28:12
● 2016-05-22 05:52:56
● 2016-07-27 02:00:02
○ 2016-12-06 08:56:04
○ 2026-02-15 04:38:26

○A54.252.112.1092015-06-26 → 2016-04-17 · 9 obs

● 2015-06-26 00:49:56
● 2015-09-27 09:03:00
○ 2015-10-17 05:00:50
● 2015-10-28 06:33:44
○ 2015-11-01 05:40:30
○ 2016-01-31 18:14:30
● 2016-04-17 16:28:12
○ 2016-05-22 05:52:56
○ 2026-02-15 04:38:26

○A54.252.122.1162016-12-06 → 2016-12-06 · 4 obs

○ 2016-07-27 02:00:02
● 2016-12-06 08:56:04
○ 2017-02-13 03:26:18
○ 2026-02-15 04:38:26

○A54.252.95.1822015-06-26 → 2016-01-31 · 7 obs

● 2015-06-26 00:49:56
● 2015-10-17 05:00:50
○ 2015-10-28 06:33:44
● 2015-11-01 05:40:30
● 2016-01-31 18:14:30
○ 2016-04-17 16:28:12
○ 2026-02-15 04:38:26

○A54.252.95.1842017-02-13 → 2017-02-13 · 4 obs

○ 2016-12-06 08:56:04
● 2017-02-13 03:26:18
○ 2017-06-19 13:23:36
○ 2026-02-15 04:38:26

○A54.252.99.1482017-02-13 → 2017-03-06 · 5 obs

○ 2016-12-06 08:56:04
● 2017-02-13 03:26:18
● 2017-03-06 22:29:20
○ 2017-04-03 00:42:20
○ 2026-02-15 04:38:26

○A54.253.117.02017-02-13 → 2017-02-13 · 4 obs

○ 2016-12-06 08:56:04
● 2017-02-13 03:26:18
○ 2017-03-06 22:29:20
○ 2026-02-15 04:38:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
open2study.com	kiki.bunny.net, coco.bunny.net	-

✅ Authoritative Response

Server: 109.104.147.1

NS records: kiki.bunny.net, coco.bunny.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open2study.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.212.116.161`
NS	2	`kiki.bunny.net, coco.bunny.net`
SOA	1	`kiki.bunny.net hostmaster.bunny.net`

AI analysis

open2study.com points to a single IP number: 13.212.116.161.

Other host names, for instance ec2-13-212-116-161.ap-southeast-1.compute.amazonaws.com, share IP numbers with open2study.com.

Delegation for open2study.com rests with two name servers, coco.bunny.net and kiki.bunny.net.

open2study.com shares the same name server setup as other domains, including mscielo.mobi, ricettedicucina.co.it, hatchland.com, desiree.fi and flowers4tobago.com.

open2study.com at least partially shares name servers with other domains, for instance vakant.com, arucan.com, farmata.com, yieldee.com and shopscience.com.

These name servers are commonly used with buy-domain.brandsly.com and for-sale.brandsly.com.

Host names with two IP numbers: coco.bunny.net points to 2400:52e0:fff2::1 and 109.104.147.1; kiki.bunny.net points to 2400:52e0:fff0::1 and 91.200.176.1.

open2study.com is handled by two mail servers: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

open2study.com uses the same mail server configuration as other domains, such as cuffmiller.co.uk, albatha.ae, keystonelintelsuk.com, millingtonassociates.com and federatedhermes.com.

open2study.com shares mail servers with other domains at least in part, for instance heritagebathrooms.com, policyfast.co.uk, rav-hen.com, concordeinf.com and regicbd.com.

Six IP numbers per host.

eu-smtp-inbound-1.mimecast.com points to: 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241.

eu-smtp-inbound-2.mimecast.com points to: 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241.

Names pointing to 91.220.42.201: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

Names pointing to 91.220.42.211: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

Names pointing to 91.220.42.241: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

Names pointing to 195.130.217.201: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

Names pointing to 195.130.217.211: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

Names pointing to 195.130.217.241: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.