`repligen.com`

DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:16fc^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:af17^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.22.252^{Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.175.23^{🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harvey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c398^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harvey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2398^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harvey.ns.cloudflare.com`
		A	108.162.195.152^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	162.159.44.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	172.64.35.152^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
NS	`holly.ns.cloudflare.com`
		A	2606:4700:50::a29f:2685^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`holly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c285^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`holly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2285^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`holly.ns.cloudflare.com`
		A	108.162.194.133^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`holly.ns.cloudflare.com`
		A	162.159.38.133^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`holly.ns.cloudflare.com`
		A	172.64.34.133^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`holly.ns.cloudflare.com`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`00da0000000jtwhmaw`
TXT	`atlassian-domain-verification=Wqgze53jvDnZhQwVfLwtZw3/Rs197BQQr0XuzsnFvbYG52f...`
TXT	`ca3-879e65a085bc4ac29ffcf425d6917763`
TXT	`google-site-verification=bCasN0SUFNBDO-Jvlkhg3k_A06_9-tcEtoIYqBQyjac`
TXT	`google-site-verification=bzHu_q102Lo-McDu-bxkiEDodheyICu5v_-A24Kb7vI`
TXT	`google-site-verification=eVjpkebVwnUO4RssTUM_YUjuwTvaOsftuhaonuaRTMc`
TXT	`ilSntCBhtvAlcbMO9fPuwfNxZ6J2fPAMmvJTpKTK3zchRb6PqhS4ny8fjRsVqbBUSvIItVSTzlB4D...`
TXT	`pardot463902=db5332d23c847ef243916e1ffd87d3b2c99d263c5aec6ca31914dcd4a6d589ac`
TXT	`smartsheet-site-validation=UdP2mQeHk7UmpyIVaA5lnBGRCpFRXg7-`
TXT	`v=spf1 redirect=9k(0x663470)sle._spf._d.mim.ec`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.20.22.252, 172.66.175.23
		IPv6	2606:4700:10::6814:16fc, 2606:4700:10::ac42:af17
SOA	`harvey.ns.cloudflare.com`dns@cloudflare.com serial=2396685521

`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

rank #364107 globally
rank #161373 in the tld
WOT: SAFE (68/100)
📈 Tranco rank: #507,545

Subdomains

3d.repligen.com

www.repligen.com

Same first word

repligen.net

repligen.org

repligen.info

repligen.com

Similar names

preligne.com

pelegrin.ca

greenlip.de

peerling.com

greenipl.com

greenlip.mobi

greenlip.com

pilgreen.com

pelinger.de

gelperin.com

epingler.com

pilgreen.fr

pregline.com

pelegrin.com

gelperin.ru

pilgreen.net

DNS History

19 records (8 active, 11 former)

●NSharvey.ns.cloudflare.com2026-02-22 → 2026-03-05 · 3 obs

○ 2017-07-02 21:17:56
● 2026-02-22 16:31:28
● 2026-03-05 18:57:44

●NSholly.ns.cloudflare.com2026-02-22 → 2026-03-05 · 3 obs

○ 2017-07-02 21:17:56
● 2026-02-22 16:31:28
● 2026-03-05 18:57:44

○NSns25.worldnic.com2015-07-01 → 2017-07-02 · 5 obs

○ 2008-01-06 04:12:38
● 2015-07-01 22:45:08
● 2017-07-02 21:17:56
○ 2026-02-22 16:31:28
○ 2026-03-05 18:57:44

○NSns26.worldnic.com2015-07-01 → 2017-07-02 · 5 obs

○ 2008-01-06 04:12:38
● 2015-07-01 22:45:08
● 2017-07-02 21:17:56
○ 2026-02-22 16:31:28
○ 2026-03-05 18:57:44

○NSns469.pair.com2008-01-06 → 2008-01-06 · 3 obs

● 2008-01-06 04:12:38
○ 2015-07-01 22:45:08
○ 2026-03-05 18:57:44

○NSns5.ns0.com2008-01-06 → 2008-01-06 · 3 obs

● 2008-01-06 04:12:38
○ 2015-07-01 22:45:08
○ 2026-03-05 18:57:44

○MXmail.repligen.com2008-01-06 → 2008-01-06 · 3 obs

● 2008-01-06 04:12:38
○ 2015-07-01 22:45:08
○ 2026-03-05 18:57:44

○MXmx2.mailhop.org2008-01-06 → 2008-01-06 · 3 obs

● 2008-01-06 04:12:38
○ 2015-07-01 22:45:08
○ 2026-03-05 18:57:44

○MXrepligen.com.inbound10.mxlogic.net2015-07-01 → 2016-08-29 · 5 obs

○ 2008-01-06 04:12:38
● 2015-07-01 22:45:08
● 2016-08-29 03:59:48
○ 2017-04-03 10:46:12
○ 2026-03-05 18:57:44

○MXrepligen.com.inbound10.mxlogicmx.net2015-07-01 → 2016-08-29 · 5 obs

○ 2008-01-06 04:12:38
● 2015-07-01 22:45:08
● 2016-08-29 03:59:48
○ 2017-04-03 10:46:12
○ 2026-03-05 18:57:44

●MXus-smtp-inbound-1.mimecast.com2017-04-03 → 2026-03-05 · 3 obs

○ 2016-08-29 03:59:48
● 2017-04-03 10:46:12
● 2026-03-05 18:57:44

●MXus-smtp-inbound-2.mimecast.com2017-04-03 → 2026-03-05 · 3 obs

○ 2016-08-29 03:59:48
● 2017-04-03 10:46:12
● 2026-03-05 18:57:44

●A104.20.22.2522026-02-22 → 2026-03-05 · 3 obs

○ 2017-07-02 21:17:56
● 2026-02-22 16:31:28
● 2026-03-05 18:57:44

○A161.47.20.2232016-06-08 → 2017-07-02 · 5 obs

○ 2015-12-25 11:58:30
● 2016-06-08 22:27:28
● 2017-07-02 21:17:56
○ 2026-02-22 16:31:28
○ 2026-03-05 18:57:44

●A172.66.175.232026-02-22 → 2026-03-05 · 3 obs

○ 2017-07-02 21:17:56
● 2026-02-22 16:31:28
● 2026-03-05 18:57:44

○A216.119.130.1942015-07-01 → 2015-12-25 · 5 obs

○ 2008-01-06 04:12:38
● 2015-07-01 22:45:08
● 2015-12-25 11:58:30
○ 2016-06-08 22:27:28
○ 2026-03-05 18:57:44

●A2606:4700:10::6814:16fc2026-02-22 → 2026-03-05 · 3 obs

○ 2017-07-02 21:17:56
● 2026-02-22 16:31:28
● 2026-03-05 18:57:44

●A2606:4700:10::ac42:af172026-02-22 → 2026-03-05 · 3 obs

○ 2017-07-02 21:17:56
● 2026-02-22 16:31:28
● 2026-03-05 18:57:44

○A66.39.134.1382008-01-06 → 2008-01-06 · 3 obs

● 2008-01-06 04:12:38
○ 2015-07-01 22:45:08
○ 2026-03-05 18:57:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
repligen.com	holly.ns.cloudflare.com, harvey.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 172.64.35.152

NS records: holly.ns.cloudflare.com, harvey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for repligen.com (unsigned zone)

⏱️ Timing

Total: 449ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.175.23, 104.20.22.252`
AAAA	2	`2606:4700:10::6814:16fc, 2606:4700:10::ac42:af17`
NS	2	`harvey.ns.cloudflare.com, holly.ns.cloudflare.com`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	10	`00da0000000jtwhmaw, atlassian-domain-verification=Wqgze53jvD...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`harvey.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

repligen.com is a parent of 3d.repligen.com and www.repligen.com.

IP Addresses

repligen.com points to four IP numbers: 2606:4700:10::6814:16fc, 2606:4700:10::ac42:af17, 104.20.22.252 and 172.66.175.23.

For instance, other host names bethematch.kudoboard.com, www.repligen.com, apibot.agentbot.net.cdn.cloudflare.net, kudoboard.com and ctechnologiesinc.com share IP numbers with repligen.com.

Name Servers

repligen.com is delegated to two name servers: harvey.ns.cloudflare.com and holly.ns.cloudflare.com.

repligen.com uses the same name server setup as other domains such as dnsonly.org, domainalternative.com, dnsonly.com, geoffreydykstra.com and nexuscanada.com.

repligen.com shares name servers with other domains at least partially, for example mozaiek.net, tdsy18.com, inversion360.net, jaebanke-arinerner.com and bhinners.com.

These name servers are commonly used with the name servers gannon.ns.cloudflare.com and serena.ns.cloudflare.com.

Host names with six IP numbers: host name harvey.ns.cloudflare.com points to: 2606:4700:58::a29f:2c98, 2803:f800:50::6ca2:c398, 2a06:98c1:50::ac40:2398, 108.162.195.152, 162.159.44.152 and 172.64.35.152; host name holly.ns.cloudflare.com points to: 2606:4700:50::a29f:2685, 2803:f800:50::6ca2:c285, 2a06:98c1:50::ac40:2285, 108.162.194.133, 162.159.38.133 and 172.64.34.133.

Mail Servers

Two mail servers us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com handle repligen.com.

repligen.com shares the same mail server setup as other domains, for instance butlerpappas.com, carsoncity.gov, glendalerepublic.com, hachettebooks.com and process-tech.com.

repligen.com shares mail servers with other domains at least partially; for instance ussremote.com, twotrees-dumbo.com, positionlogic.com, millardgroup.com and centextlegal.com.

Host names with six IP numbers:

Name us-smtp-inbound-1.mimecast.com points to: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Name us-smtp-inbound-2.mimecast.com points to: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Names pointing to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Names pointing to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Names pointing to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Names pointing to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Names pointing to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Names pointing to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

repligen.com - robtex.com

repligen.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

`repligen.com`

`com`