`postron.com`

DNSSEC	⚠️ Not signed
A	34.127.44.76^{🇺🇸 Google34.127.32.0/20}
		PTR	`76.44.127.34.bc.googleusercontent.com`
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`postron-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c903::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f90c::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.11.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
TXT	`mscid=iSd3qn0ZVLAdPFqV4Q6mqyM5HeD5eiBSn04TZjB/cje7kQ3mJxNXhdGriGJsj4XrN8VYMkp...`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures3...`
TXT	`MS=ms16849880`
TXT	`google-site-verification=kW7amsWT_n_zK5w9O3VwTOA-t5npKzGsC-5msE6BJmo`
TXT	`iris1._domainkey.postron.com`
TXT	`record _dmarc.postron.com`
TXT	`google-site-verification=S9Wb-Sgjm4gVmYiLbEWY0nehmmvN2_0L6gsDQwzn248`
TXT	`ZOOM_verify_El8sMJsSaNHQs8ckimpqGn`
TXT	`google-site-verification=P-TMXcSXYv-vE92zfWekmrXeDIqqki-_QnUZn1bCjkI`
TXT	`google-site-verification=MKw0xuxizuge6oNRtKbtoDSGjRkgKhOOIT1ymO518hg`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.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=1771291435

Subdomains

backoffice.postron.com

Same first word

postron.de

postron.com

Similar names

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spronto.com

onsport.com

sporton.be

onsport.ru

onsport.co.uk

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optrons.com

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onsport.se

ronspot.ie

sporton.com

pronost.pl

norpost.com

onsport.be

protons.cloud

(0x706f726e)ots.com

onsport.ch

portson.com

sporton.no

stornop.ru

nosport.ru

sto(0x706f726e).com

rospont.com

tonospr.com

onsport.dk

onsport.club

postnor.se

ronspot.com

noports.com

norpost.no

ronpots.net

onsport.nl

onsport.co.nz

rotspon.de

nostrop.com

onsport.fr

sto(0x706f726e).net

portons.it

spotron.com

sporton.pl

sporton.eu

sporton.de

protons.net

prontos.co.uk

norpost.net

protons.com

ts(0x706f726e)o.com

tropson.com

prontos.com

onsport.com.au

onsport.vn

prontos.de

onsport.me

sporton.org

protons.fr

sontrop.nl

protons.co.uk

onsport.lv

sporton.nl

sporton.cz

prontos.ru

portons.com

sproton.ru

protons.in

protons.ru

prontos.com.au

noprost.com

sporton.lv

optrons.de

sontrop.com

rposton.net

sporton.cn

DNS History

23 records (6 active, 17 former)

●NSns1.bdm.microsoftonline.com2026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-18 19:03:14
● 2026-03-10 08:00:32
● 2026-03-10 09:37:12

○NSns1.namebrightdns.com2015-07-09 → 2017-04-18 · 4 obs

● 2015-07-09 05:11:02
● 2017-04-18 19:03:14
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

●NSns2.bdm.microsoftonline.com2026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-18 19:03:14
● 2026-03-10 08:00:32
● 2026-03-10 09:37:12

○NSns2.namebrightdns.com2015-07-09 → 2017-04-18 · 4 obs

● 2015-07-09 05:11:02
● 2017-04-18 19:03:14
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

●NSns3.bdm.microsoftonline.com2026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-18 19:03:14
● 2026-03-10 08:00:32
● 2026-03-10 09:37:12

●NSns4.bdm.microsoftonline.com2026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-18 19:03:14
● 2026-03-10 08:00:32
● 2026-03-10 09:37:12

○MXanmail.namebrightmail.com2015-07-09 → 2015-07-09 · 3 obs

● 2015-07-09 05:11:02
○ 2015-11-29 12:29:02
○ 2026-03-10 09:37:12

●MXpostron-com.mail.protection.outlook.com2026-03-10 → 2026-03-10 · 3 obs

○ 2015-11-29 12:29:02
● 2026-03-10 08:00:32
● 2026-03-10 09:37:12

○A107.23.198.2402016-07-27 → 2016-07-27 · 4 obs

○ 2016-03-16 12:31:42
● 2016-07-27 00:28:50
○ 2017-04-18 19:03:14
○ 2026-03-10 09:37:12

○A107.23.95.2352015-07-09 → 2015-07-09 · 3 obs

● 2015-07-09 05:11:02
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

●A34.127.44.762026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-18 19:03:14
● 2026-03-10 08:00:32
● 2026-03-10 09:37:12

○A52.0.184.2112017-04-18 → 2017-04-18 · 4 obs

○ 2016-07-27 00:28:50
● 2017-04-18 19:03:14
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

○A52.0.96.242016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-29 12:29:02
● 2016-03-16 12:31:42
○ 2016-07-27 00:28:50
○ 2026-03-10 09:37:12

○A52.206.43.2342016-07-27 → 2016-07-27 · 4 obs

○ 2016-03-16 12:31:42
● 2016-07-27 00:28:50
○ 2017-04-18 19:03:14
○ 2026-03-10 09:37:12

○A52.4.72.1372016-07-27 → 2016-07-27 · 4 obs

○ 2016-03-16 12:31:42
● 2016-07-27 00:28:50
○ 2017-04-18 19:03:14
○ 2026-03-10 09:37:12

○A52.71.117.992016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-29 12:29:02
● 2016-03-16 12:31:42
○ 2016-07-27 00:28:50
○ 2026-03-10 09:37:12

○A54.164.249.2552017-04-18 → 2017-04-18 · 4 obs

○ 2016-07-27 00:28:50
● 2017-04-18 19:03:14
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

○A54.174.31.2542015-11-29 → 2015-11-29 · 4 obs

○ 2015-07-09 05:11:02
● 2015-11-29 12:29:02
○ 2016-03-16 12:31:42
○ 2026-03-10 09:37:12

○A54.208.74.2152015-11-29 → 2015-11-29 · 4 obs

○ 2015-07-09 05:11:02
● 2015-11-29 12:29:02
○ 2016-03-16 12:31:42
○ 2026-03-10 09:37:12

○A54.236.123.2242016-07-27 → 2016-07-27 · 4 obs

○ 2016-03-16 12:31:42
● 2016-07-27 00:28:50
○ 2017-04-18 19:03:14
○ 2026-03-10 09:37:12

○A54.84.74.522015-07-09 → 2015-07-09 · 3 obs

● 2015-07-09 05:11:02
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-09 → 2016-07-27 · 4 obs

● 2015-07-09 05:11:02
● 2016-07-27 00:28:50
○ 2017-04-18 19:03:14
○ 2026-03-10 09:37:12

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-04-18 → 2017-04-18 · 4 obs

○ 2016-07-27 00:28:50
● 2017-04-18 19:03:14
○ 2026-03-10 08:00:32
○ 2026-03-10 09:37:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
postron.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server: 204.14.183.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postron.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.127.44.76`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`postron-com.mail.protection.outlook.com`
TXT	10	`mscid=iSd3qn0ZVLAdPFqV4Q6mqyM5HeD5eiBSn0, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

Hierarchy

The parent of backoffice.postron.com is postron.com.

IP Addresses

postron.com points to a single IP address: 34.127.44.76.

Other host names, for instance 76.44.127.34.bc.googleusercontent.com, share IP numbers with postron.com.

Name Servers

postron.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

postron.com at least partially shares name servers with other domains, for example atef.de, nvsm.co.uk, yzoee.fr, simssweetshop.com and vintagehotel.be.