`oslchicago.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d230^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5d86^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.134^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.48^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harmony.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2692^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harmony.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c292^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harmony.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2292^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harmony.ns.cloudflare.com`
		A	108.162.194.146^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harmony.ns.cloudflare.com`
		A	162.159.38.146^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harmony.ns.cloudflare.com`
		A	172.64.34.146^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harmony.ns.cloudflare.com`
NS	`trevor.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trevor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trevor.ns.cloudflare.com`
		A	108.162.195.154^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	162.159.44.154^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	172.64.35.154^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.93.134, 172.67.210.48
		IPv6	2606:4700:3033::ac43:d230, 2606:4700:3035::6815:5d86
SOA	`harmony.ns.cloudflare.com`dns@cloudflare.com serial=2400104092

`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=1774812522

Previously MX for

oslchicago.com

Same first word

oslchicago.com

Similar names

schologica.com

chaoslogic.com

chaoslogic.net

DNS History

18 records (6 active, 12 former)

○NSdns1.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

○NSdns2.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

●NSharmony.ns.cloudflare.com2026-03-25 → 2026-03-29 · 3 obs

○ 2017-04-08 20:34:32
● 2026-03-25 00:17:46
● 2026-03-29 19:44:12

○NSns1.bluehost.com2015-07-13 → 2016-01-29 · 4 obs

● 2015-07-13 14:14:56
● 2016-01-29 10:19:22
○ 2016-04-26 11:21:24
○ 2026-03-29 19:44:12

○NSns2.bluehost.com2015-07-13 → 2016-01-29 · 4 obs

● 2015-07-13 14:14:56
● 2016-01-29 10:19:22
○ 2016-04-26 11:21:24
○ 2026-03-29 19:44:12

●NStrevor.ns.cloudflare.com2026-03-25 → 2026-03-29 · 3 obs

○ 2017-04-08 20:34:32
● 2026-03-25 00:17:46
● 2026-03-29 19:44:12

○MXeforward1.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

○MXeforward2.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

○MXeforward3.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

○MXeforward4.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

○MXeforward5.registrar-servers.com2017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

○MXoslchicago.com2015-07-13 → 2016-01-29 · 4 obs

● 2015-07-13 14:14:56
● 2016-01-29 10:19:22
○ 2016-04-26 11:21:24
○ 2026-03-29 19:44:12

●A104.21.93.1342026-03-25 → 2026-03-29 · 3 obs

○ 2017-04-08 20:34:32
● 2026-03-25 00:17:46
● 2026-03-29 19:44:12

○A172.110.20.1212017-04-08 → 2017-04-08 · 4 obs

○ 2016-04-26 11:21:24
● 2017-04-08 20:34:32
○ 2026-03-25 00:17:46
○ 2026-03-29 19:44:12

●A172.67.210.482026-03-25 → 2026-03-29 · 3 obs

○ 2017-04-08 20:34:32
● 2026-03-25 00:17:46
● 2026-03-29 19:44:12

●A2606:4700:3033::ac43:d2302026-03-25 → 2026-03-29 · 3 obs

○ 2017-04-08 20:34:32
● 2026-03-25 00:17:46
● 2026-03-29 19:44:12

●A2606:4700:3035::6815:5d862026-03-25 → 2026-03-29 · 3 obs

○ 2017-04-08 20:34:32
● 2026-03-25 00:17:46
● 2026-03-29 19:44:12

○A69.89.31.1892015-07-13 → 2016-01-29 · 4 obs

● 2015-07-13 14:14:56
● 2016-01-29 10:19:22
○ 2016-04-26 11:21:24
○ 2026-03-29 19:44:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
oslchicago.com	harmony.ns.cloudflare.com, trevor.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.154

NS records: harmony.ns.cloudflare.com, trevor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oslchicago.com (unsigned zone)

⏱️ Timing

Total: 104ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.210.48, 104.21.93.134`
AAAA	2	`2606:4700:3033::ac43:d230, 2606:4700:3035::6815:5d86`
NS	2	`harmony.ns.cloudflare.com, trevor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harmony.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

oslchicago.com points to four IP numbers: 2606:4700:3033::ac43:d230, 2606:4700:3035::6815:5d86, 104.21.93.134 and 172.67.210.48.

Other host names, for instance analytics.molecul.fr, alligatorzydeco.com, tweetmondo.com, nyde-amaja.site and usa2.utamaweb.com share IP numbers with oslchicago.com.

Name Servers

Delegation for oslchicago.com rests with two name servers, harmony.ns.cloudflare.com and trevor.ns.cloudflare.com.

oslchicago.com shares the same name server setup as other domains, including a-perfecttouch.com, forestridgechurch.org, christianlightradio.com, ajparadise.com and challiberia.org.

oslchicago.com at least partially shares name servers with other domains, for instance kcprofessional.it, ccwink.cc, avctechn.sbs, vodpop.ru and dtyupxldwwi.pages.dev.

These name servers are often used together with barbara.ns.cloudflare.com, terin.ns.cloudflare.com, luciana.ns.cloudflare.com, linda.ns.cloudflare.com and vick.ns.cloudflare.com.

Host names with six IP numbers: harmony.ns.cloudflare.com points to: 2606:4700:50::a29f:2692, 2803:f800:50::6ca2:c292, 2a06:98c1:50::ac40:2292, 108.162.194.146, 162.159.38.146 and 172.64.34.146. trevor.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9a, 2803:f800:50::6ca2:c39a, 2a06:98c1:50::ac40:239a, 108.162.195.154, 162.159.44.154 and 172.64.35.154.

oslchicago.com - robtex.com

oslchicago.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`oslchicago.com`

`com`