`olincenter.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1ca5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:aaf1^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.165^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.241^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`heidi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`heidi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`heidi.ns.cloudflare.com`
		A	108.162.194.236^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	162.159.38.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	172.64.34.236^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
NS	`lamar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lamar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lamar.ns.cloudflare.com`
		A	108.162.195.142^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	162.159.44.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	172.64.35.142^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.165, 172.67.170.241
		IPv6 hints	2606:4700:3031::6815:1ca5, 2606:4700:3032::ac43:aaf1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOA	`heidi.ns.cloudflare.com`dns@cloudflare.com serial=2408346289

`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=1784161052

WOT: SAFE (61/100)

Same first word

olincenter.com

Similar names

DNS History

24 records (11 active, 13 former)

●NSheidi.ns.cloudflare.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

○NSjm1.dns.com2020-01-31 → 2020-01-31 · 4 obs

○ 2017-03-23 07:36:08
● 2020-01-31 22:47:26
○ 2026-06-26 15:15:18
○ 2026-07-16 00:28:42

○NSjm2.dns.com2020-01-31 → 2020-01-31 · 4 obs

○ 2017-03-23 07:36:08
● 2020-01-31 22:47:26
○ 2026-06-26 15:15:18
○ 2026-07-16 00:28:42

●NSlamar.ns.cloudflare.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

○NSns33.worldnic.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-16 04:23:18
● 2017-03-23 07:36:08
○ 2020-01-31 22:47:26
○ 2026-07-16 00:28:42

○NSns34.worldnic.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-16 04:23:18
● 2017-03-23 07:36:08
○ 2020-01-31 22:47:26
○ 2026-07-16 00:28:42

○NSns39.domaincontrol.com2015-08-13 → 2016-07-16 · 4 obs

● 2015-08-13 03:55:44
● 2016-07-16 04:23:18
○ 2017-03-23 07:36:08
○ 2026-07-16 00:28:42

○NSns40.domaincontrol.com2015-08-13 → 2016-07-16 · 4 obs

● 2015-08-13 03:55:44
● 2016-07-16 04:23:18
○ 2017-03-23 07:36:08
○ 2026-07-16 00:28:42

●MXeforward1.registrar-servers.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

●MXeforward2.registrar-servers.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

●MXeforward3.registrar-servers.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

●MXeforward4.registrar-servers.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

●MXeforward5.registrar-servers.com2026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

○MXmail.olincenter.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-16 04:23:18
● 2017-03-23 07:36:08
○ 2020-01-31 22:47:26
○ 2026-07-16 00:28:42

○MXmailstore1.secureserver.net2015-08-13 → 2016-07-16 · 4 obs

● 2015-08-13 03:55:44
● 2016-07-16 04:23:18
○ 2017-03-23 07:36:08
○ 2026-07-16 00:28:42

○MXsmtp.secureserver.net2015-08-13 → 2016-07-16 · 4 obs

● 2015-08-13 03:55:44
● 2016-07-16 04:23:18
○ 2017-03-23 07:36:08
○ 2026-07-16 00:28:42

●A104.21.28.1652026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

○A141.8.225.752017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-16 04:23:18
● 2017-03-23 07:36:08
○ 2020-01-31 22:47:26
○ 2026-07-16 00:28:42

○A154.218.143.1222020-01-31 → 2020-01-31 · 4 obs

○ 2017-03-23 07:36:08
● 2020-01-31 22:47:26
○ 2026-06-26 15:15:18
○ 2026-07-16 00:28:42

●A172.67.170.2412026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

●A2606:4700:3031::6815:1ca52026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

●A2606:4700:3032::ac43:aaf12026-06-26 → 2026-07-16 · 3 obs

○ 2020-01-31 22:47:26
● 2026-06-26 15:15:18
● 2026-07-16 00:28:42

○A50.63.202.272015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 03:55:44
○ 2015-12-17 20:20:00
○ 2026-07-16 00:28:42

○A50.63.202.302015-12-17 → 2016-07-16 · 5 obs

○ 2015-08-13 03:55:44
● 2015-12-17 20:20:00
● 2016-07-16 04:23:18
○ 2017-03-23 07:36:08
○ 2026-07-16 00:28:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
olincenter.com	heidi.ns.cloudflare.com, lamar.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.236

NS records: heidi.ns.cloudflare.com, lamar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for olincenter.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.170.241, 104.21.28.165`
AAAA	2	`2606:4700:3031::6815:1ca5, 2606:4700:3032::ac43:aaf1`
NS	2	`heidi.ns.cloudflare.com, lamar.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`heidi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

olincenter.com resolves to four IP addresses: 104.21.28.165, 172.67.170.241, 2606:4700:3031::6815:1ca5 and 2606:4700:3032::ac43:aaf1.

Among the host names that share IP numbers with olincenter.com are loosecanon.net, wap.gzrbyueyun.com, bijouterielesdauriol.fr and two others.

Name Servers

olincenter.com is served by two delegated name servers, heidi.ns.cloudflare.com and lamar.ns.cloudflare.com.

olincenter.com has the same name server delegation as a number of other domains, such as internethomecenter.com, phpfreelancedeveloper.com, textiledatabase.com and two more.

olincenter.com partially shares its NS delegation with several other domains, including ipaysolutions.com, akev.ru, macaucasinolist.com and two others.

The name servers daniella.ns.cloudflare.com, phoenix.ns.cloudflare.com, rick.ns.cloudflare.com and ziggy.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

heidi.ns.cloudflare.com carries IP addresses 108.162.194.236, 162.159.38.236 and 172.64.34.236, with 3 other addresses beyond those.

lamar.ns.cloudflare.com carries IP addresses 108.162.195.142, 162.159.44.142 and 172.64.35.142, with 3 other addresses beyond those.

Mail Servers

olincenter.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

olincenter.com shares at least some of its mail servers with other domains — for example specexec.com, danielbornt.us, deximo.pro and two more.

It is common for these mail servers to co-occur with eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com as mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com points to the IP address 162.255.118.51.

eforward2.registrar-servers.com points to the IP address 162.255.118.52.

eforward3.registrar-servers.com points to the IP address 162.255.118.51.

eforward4.registrar-servers.com points to the IP address 162.255.118.52.

eforward5.registrar-servers.com points to the IP address 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.