`osterman.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1b92^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8eef^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.146^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.239^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`maria.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maria.ns.cloudflare.com`
		A	108.162.192.192^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	172.64.32.192^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	173.245.58.192^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
MX	`aspmx4.googlemail.com`⁽⁶⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
MX	`aspmx5.googlemail.com`⁽⁷⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
TXT	`ca3-d3cfb49c478d4513b3cb750cbdd6292c`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.146, 172.67.142.239
		IPv6 hints	2606:4700:3031::6815:1b92, 2606:4700:3035::ac43:8eef
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2410078691

`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=1784637552

Subdomains

www.osterman.com

Same first word

osterman.com

osterman.fi

osterman.in

osterman.foundation

osterman.co

Similar names

emotrans.com

asremont.ru

armstone.com.au

romanets.ru

smartone.info

ansermot.io

marstone.lt

stanmore.co.ke

montares.com

montares.net

onstream.com.au

onstream.net

onstream.com

smartone.email

smartone.pl

mestoran.com

smartone.com.hk

stanmore.com

smartone.vn

nostream.ro

stanmore.co.uk

mesonart.com

menostar.com

onstream.co

amonster.com

onstream.co.nz

montaser.net

transmeo.com

rasmonet.myshopify.com

neosmart.ru

onemarts.com

monstera.lt

montaser.com

seramont.com

smartone.ws

monstera.fi

smartone.de

remontas.by

armnotes.com

onstream.ru

emotrans.com.tw

onmaster.net

omartens.de

eastonrm.com

monastre.fr

santermo.ru

transmeo.fr

smartone.ai

masteron.se

streamon.us

tomarens.com

onstream.cloud

mreaston.com

smartone.co

rentsoma.com

mosrenta.ru

onmaster.com

manstore.net

monstera.online

streamon.org

smartone.legal

smartone.at

smartone.hk

manstore.com

nomaster.cc

onstream.fun

neosmart.com.br

montares.at

torensma.net

mastoner.com

smartone.uz

amestron.com.br

marosnet.ru

manstore.de

armstone.am

etsorman.com

termosan.sk

streamon.com

transome.com

onesmart.in

onesmart.vn

norsteam.no

tremosna.cz

namstore.com

smartone.biz

menostar.us

amentors.com

onstream.co.uk

eonsmart.co.uk

mortensa.com

remontas.pl

streamon.me

sematron.se

manstore.ch

smartneo.com

onstream.to

stanmore.ae

mosrenta.com

sarmento.blog.br

DNS History

26 records (13 active, 13 former)

●NSclint.ns.cloudflare.com2026-02-15 → 2026-07-21 · 3 obs

○ 2017-03-30 20:10:40
● 2026-02-15 08:16:32
● 2026-07-21 12:55:22

●NSmaria.ns.cloudflare.com2026-02-15 → 2026-07-21 · 3 obs

○ 2017-03-30 20:10:40
● 2026-02-15 08:16:32
● 2026-07-21 12:55:22

○NSns-1238.awsdns-26.org2015-08-04 → 2017-03-30 · 4 obs

● 2015-08-04 04:31:10
● 2017-03-30 20:10:40
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

○NSns-2037.awsdns-62.co.uk2015-08-04 → 2017-03-30 · 4 obs

● 2015-08-04 04:31:10
● 2017-03-30 20:10:40
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

○NSns-4.awsdns-00.com2015-08-04 → 2017-03-30 · 4 obs

● 2015-08-04 04:31:10
● 2017-03-30 20:10:40
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

○NSns-822.awsdns-38.net2015-08-04 → 2017-03-30 · 4 obs

● 2015-08-04 04:31:10
● 2017-03-30 20:10:40
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

●MXalt1.aspmx.l.google.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●MXalt2.aspmx.l.google.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●MXaspmx.l.google.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●MXaspmx2.googlemail.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●MXaspmx3.googlemail.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●MXaspmx4.googlemail.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●MXaspmx5.googlemail.com2015-08-04 → 2026-07-21 · 2 obs

● 2015-08-04 04:31:10
● 2026-07-21 12:55:22

●A104.21.27.1462026-02-15 → 2026-07-21 · 3 obs

○ 2017-03-30 20:10:40
● 2026-02-15 08:16:32
● 2026-07-21 12:55:22

○A142.4.209.1452015-08-04 → 2015-08-04 · 3 obs

● 2015-08-04 04:31:10
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

●A172.67.142.2392026-02-15 → 2026-07-21 · 3 obs

○ 2017-03-30 20:10:40
● 2026-02-15 08:16:32
● 2026-07-21 12:55:22

○A192.99.62.1582016-03-06 → 2016-03-06 · 4 obs

○ 2015-11-29 20:08:48
● 2016-03-06 20:55:58
○ 2016-07-09 08:38:26
○ 2026-07-21 12:55:22

○A192.99.62.1592016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-06 20:55:58
● 2016-07-09 08:38:26
○ 2017-03-30 20:10:40
○ 2026-07-21 12:55:22

○A198.100.145.1532015-08-04 → 2015-08-04 · 3 obs

● 2015-08-04 04:31:10
○ 2015-11-29 20:08:48
○ 2026-07-21 12:55:22

○A198.100.146.2292015-08-04 → 2015-11-29 · 4 obs

● 2015-08-04 04:31:10
● 2015-11-29 20:08:48
○ 2016-03-06 20:55:58
○ 2026-07-21 12:55:22

●A2606:4700:3031::6815:1b922026-07-21 → 2026-07-21 · 3 obs

○ 2026-06-16 18:37:24
● 2026-07-21 12:55:20
● 2026-07-21 12:55:22

○A2606:4700:3034::6815:1b922026-02-15 → 2026-06-16 · 5 obs

○ 2017-03-30 20:10:40
● 2026-02-15 08:16:32
● 2026-06-16 18:37:24
○ 2026-07-21 12:55:20
○ 2026-07-21 12:55:22

●A2606:4700:3035::ac43:8eef2026-07-21 → 2026-07-21 · 3 obs

○ 2026-06-16 18:37:24
● 2026-07-21 12:55:20
● 2026-07-21 12:55:22

○A2606:4700:3036::ac43:8eef2026-02-15 → 2026-06-16 · 5 obs

○ 2017-03-30 20:10:40
● 2026-02-15 08:16:32
● 2026-06-16 18:37:24
○ 2026-07-21 12:55:20
○ 2026-07-21 12:55:22

○A52.88.11.1182017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-09 08:38:26
● 2017-03-30 20:10:40
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

○A54.186.14.1232017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-09 08:38:26
● 2017-03-30 20:10:40
○ 2026-02-15 08:16:32
○ 2026-07-21 12:55:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
osterman.com	clint.ns.cloudflare.com, maria.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.192

NS records: clint.ns.cloudflare.com, maria.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osterman.com (unsigned zone)

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.239, 104.21.27.146`
AAAA	2	`2606:4700:3035::ac43:8eef, 2606:4700:3031::6815:1b92`
NS	2	`clint.ns.cloudflare.com, maria.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	1	`ca3-d3cfb49c478d4513b3cb750cbdd6292c`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (clint.ns.cloudflare.com, clint.ns.cloudflare.com, clint.ns.cloudflare.com...)

Analysis

Hierarchy

www.osterman.com is delegated beneath osterman.com.

IP Addresses

osterman.com points to the four IP addresses 104.21.27.146, 172.67.142.239, 2606:4700:3031::6815:1b92 and 2606:4700:3035::ac43:8eef.

Two other host names, along with mx1.trottinettemicro.fr, www.kb31.ru and unik4.com, also share IP numbers with osterman.com.

Name Servers

osterman.com uses two name servers for its delegation: clint.ns.cloudflare.com and maria.ns.cloudflare.com.

osterman.com shares its NS records with other domains, for example cotuong.org, gpskala.com, licsdeliandicecream.com and two others.

There is at least partial name server overlap between osterman.com and other domains — 392121.com, peta777fit.com, colonialsun.com and two more among them.

These name servers frequently co-occur with the name servers wally.ns.cloudflare.com and marjory.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname clint.ns.cloudflare.com directs to 108.162.193.90, 172.64.33.90 and 173.245.59.90 along with 3 other IP addresses.

Hostname maria.ns.cloudflare.com directs to 108.162.192.192, 172.64.32.192 and 173.245.58.192 along with 3 other IP addresses.

Mail Servers

osterman.com accepts email via 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

There is at least a partial MX overlap between osterman.com and other domains, including edge.be, ns500734.ns500734.ns500734.ns500699.ns500693.ns500734.ns500693.ns500699.ns500699.ns500699.ns500683.ns500693.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, ns500759.ns500698.ns500759.ns500736.ns500698.ns500735.ns500735.ns500736.ns500698.ns500735.ns500576.ns500708.ns500619.ns500619.ns500576.ns500619.trackreceptor.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

aspmx5.googlemail.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1b.

aspmx.l.google.com directs traffic to 142.250.31.27 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1b IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1b IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.26 IP addresses each.

osterman.com - robtex.com

osterman.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`osterman.com`

`com`