`oxfordachiever.com`

DNSSEC	⚠️ Not signed
A	52.220.47.130^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
		PTR	`ec2-52-220-47-130.ap-southeast-1.compute.amazonaws.com`
NS	`ns-1355.awsdns-41.org` ⭐
		A	2600:9000:5305:4b00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1355.awsdns-41.org`
		A	205.251.197.75^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1355.awsdns-41.org`
NS	`ns-163.awsdns-20.com`
		A	2600:9000:5300:a300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-163.awsdns-20.com`
		A	205.251.192.163^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-163.awsdns-20.com`
NS	`ns-1746.awsdns-26.co.uk`
		A	2600:9000:5306:d200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1746.awsdns-26.co.uk`
		A	205.251.198.210^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1746.awsdns-26.co.uk`
NS	`ns-783.awsdns-33.net`
		A	2600:9000:5303:f00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-783.awsdns-33.net`
		A	205.251.195.15^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-783.awsdns-33.net`
MX	`oup-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
MX	`gbdmzrly01.uk.hub.oup.com`⁽¹⁰⁰⁾
MX	`gbdmzrly05.uk.hub.oup.com`⁽¹⁰⁰⁾
MX	`usdmzrly02.us.hub.oup.com`⁽¹⁰⁰⁾
		A	50.59.111.112^{🇺🇸 AS354950.58.0.0/15}
MX	`usdmzrly04.us.hub.oup.com`⁽¹⁰⁰⁾
		A	50.59.111.112^{🇺🇸 AS354950.58.0.0/15}
TXT	`dr0dd0rrl7qfksxdbnb99mtz79j5mfvs`
TXT	`nk0nt0k7x39kzq43sdpq8d2jqjd1hvm8`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
SOA	`ns-1355.awsdns-41.org`awsdns-hostmaster@amazon.com serial=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=1778673746

Subdomains

www.oxfordachiever.com

Same first word

oxfordachiever.com

oxfordachiever.com.pk

DNS History

13 records (10 active, 3 former)

○NSdns0.uk.hub.oup.com2016-12-20 → 2017-12-15 · 4 obs

● 2016-12-20 10:42:36
● 2017-12-15 12:53:56
○ 2026-04-27 16:28:54
○ 2026-05-13 12:23:06

○NSdns0.us.hub.oup.com2016-12-20 → 2017-12-15 · 4 obs

● 2016-12-20 10:42:36
● 2017-12-15 12:53:56
○ 2026-04-27 16:28:54
○ 2026-05-13 12:23:06

○NSdns1.uk.hub.oup.com2016-12-20 → 2017-12-15 · 4 obs

● 2016-12-20 10:42:36
● 2017-12-15 12:53:56
○ 2026-04-27 16:28:54
○ 2026-05-13 12:23:06

●NSns-1355.awsdns-41.org2026-04-27 → 2026-05-13 · 3 obs

○ 2017-12-15 12:53:56
● 2026-04-27 16:28:54
● 2026-05-13 12:23:06

●NSns-163.awsdns-20.com2026-04-27 → 2026-05-13 · 3 obs

○ 2017-12-15 12:53:56
● 2026-04-27 16:28:54
● 2026-05-13 12:23:06

●NSns-1746.awsdns-26.co.uk2026-04-27 → 2026-05-13 · 3 obs

○ 2017-12-15 12:53:56
● 2026-04-27 16:28:54
● 2026-05-13 12:23:06

●NSns-783.awsdns-33.net2026-04-27 → 2026-05-13 · 3 obs

○ 2017-12-15 12:53:56
● 2026-04-27 16:28:54
● 2026-05-13 12:23:06

●MXgbdmzrly01.uk.hub.oup.com2016-12-20 → 2026-05-13 · 2 obs

● 2016-12-20 10:42:36
● 2026-05-13 12:23:06

●MXgbdmzrly05.uk.hub.oup.com2016-12-20 → 2026-05-13 · 2 obs

● 2016-12-20 10:42:36
● 2026-05-13 12:23:06

●MXoup-com.mail.protection.outlook.com2026-04-27 → 2026-05-13 · 3 obs

○ 2016-12-20 10:42:36
● 2026-04-27 16:28:54
● 2026-05-13 12:23:06

●MXusdmzrly02.us.hub.oup.com2016-12-20 → 2026-05-13 · 2 obs

● 2016-12-20 10:42:36
● 2026-05-13 12:23:06

●MXusdmzrly04.us.hub.oup.com2016-12-20 → 2026-05-13 · 2 obs

● 2016-12-20 10:42:36
● 2026-05-13 12:23:06

●A52.220.47.1302016-12-20 → 2026-05-13 · 2 obs

● 2016-12-20 10:42:36
● 2026-05-13 12:23:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
oxfordachiever.com	ns-163.awsdns-20.com, ns-783.awsdns-33.net, ns-1746.awsdns-26.co.uk, ns-1355.awsdns-41.org	2 records

✅ Authoritative Response

Server:205.251.197.75

NS records: ns-163.awsdns-20.com, ns-783.awsdns-33.net, ns-1746.awsdns-26.co.uk, ns-1355.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oxfordachiever.com (unsigned zone)

⏱️ Timing

Total: 979ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.220.47.130`
NS	4	`ns-1355.awsdns-41.org, ns-163.awsdns-20.com...`
MX	5	`oup-com.mail.protection.outlook.com (pri, gbdmzrly01.uk.hub.oup.com (pri: 100)...`
TXT	3	`dr0dd0rrl7qfksxdbnb99mtz79j5mfvs, nk0nt0k7x39kzq43sdpq8d2jqjd1hvm8...`
SOA	1	`ns-1355.awsdns-41.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-163.awsdns-20.com, ns-163.awsdns-20.com)

Analysis

Hierarchy

oxfordachiever.com is the parent of www.oxfordachiever.com.

IP Addresses

oxfordachiever.com resolves to one IP number: 52.220.47.130.

Other host names such as ec2-52-220-47-130.ap-southeast-1.compute.amazonaws.com and www.oxfordachiever.com share IP numbers with oxfordachiever.com.

Name Servers

oxfordachiever.com is delegated to four name servers: ns-163.awsdns-20.com, ns-783.awsdns-33.net, ns-1355.awsdns-41.org and ns-1746.awsdns-26.co.uk.

oxfordachiever.com at least partially shares name servers with other domains, for instance d3tsw2yxkmbveb.cloudfront.net, easyrecovery.in, d2zghh8tpw1czi.cloudfront.net, convertitore.net and digitalroom-corp.awsapps.com.

Host names with two IP numbers:

ns-163.awsdns-20.com points to 2600:9000:5300:a300::1 and 205.251.192.163; ns-783.awsdns-33.net points to 2600:9000:5303:f00::1 and 205.251.195.15; ns-1355.awsdns-41.org points to 2600:9000:5305:4b00::1 and 205.251.197.75; ns-1746.awsdns-26.co.uk points to 2600:9000:5306:d200::1 and 205.251.198.210.

Mail Servers

oxfordachiever.com is handled by five mail servers: gbdmzrly01.uk.hub.oup.com, gbdmzrly05.uk.hub.oup.com, usdmzrly02.us.hub.oup.com, usdmzrly04.us.hub.oup.com and oup-com.mail.protection.outlook.com.

oxfordachiever.com shares some mail servers with other domains, at least partially, for instance oup-usa.net, kerboodle.com, oxfordreadingbuddy.com, oup.com and oup.co.uk.

Host names with eight IP numbers:

oup-com.mail.protection.outlook.com maps to 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::d, 2a01:111:f403:ca09::20, 52.101.68.29, 52.101.68.39, 52.101.73.2 and 52.101.73.11.

Host names with one IP number:

usdmzrly02.us.hub.oup.com maps to 50.59.111.112.

usdmzrly04.us.hub.oup.com maps to 50.59.111.112.

Host names that map to 50.59.111.112: usdmzrly02.us.hub.oup.com and usdmzrly04.us.hub.oup.com.

oxfordachiever.com - robtex.com