`api-http2.tumblr.com`

DNSSEC	⚠️ Not signed
A	192.0.77.40^{🇺🇸 Automattic192.0.77.0/24 Route Object}
		PTR	`assets.tumblr.com`

`tumblr.com`

	DNSSEC	⚠️ Not signed
	A	192.0.77.40^{🇺🇸 Automattic192.0.77.0/24 Route Object}
	NS	`ns1.tumblr.com` ⭐
	NS	`ns2.tumblr.com`
	NS	`ns3.tumblr.com`
	NS	`ns4.tumblr.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`dropbox-domain-verification=gsvpgz511vsp`
	TXT	`google-site-verification=evUIJKvsT_rKVFCun0dPbCRHgQqDz1L3f36AjHyVuL4`
	TXT	`atlassian-domain-verification=HLvi8VknRfLwuOZ7TmiaKM8GgOgai45SxxeWZddVaOBMgWi...`
	TXT	`google-site-verification=49CbL4sd1lOCXXoGx4wSFD87B5_Py3QGacMNlrWK4Tw`
	TXT	`docusign=89f952a7-e765-4f50-a3d7-9de3cd65cac4`
	TXT	`mailru-verification: c8b795f0ae1cbc3f`
	TXT	`v=spf1 include:_spf.google.com include:_spf.automattic.com include:sendgrid.n...`
	TXT	`f050f00fa3c941ea9ee3f76fc6562a11`
	TXT	`figma-domain-verification=a2e41510ac6b0c5745595c76770385bfd602709c6d04e80ef83...`
	TXT	`google-site-verification=p3225uNj2Zmz4RRSuvITsVPAlTsPcdN0JAm8QJ5sii4`
	TXT	`google-site-verification=juLeQVndZxEsqhKFQS09fSxOZ3d2Jx2BWZqaLXakugw`
	TXT	`896862773-6204718`
	TXT	`yahoo-verification-key=+HOWRlDLIp3tUwSLvdfWrcKzs6tWS/LkZFYp8XGzC6k=`
	TXT	`google-site-verification=CnMcqJES0ObJWvPivA5DBJFXKOryg0I9rA5JPro-Sdc`
	TXT	`wtcg10h9bh0nrxglf6zc3p8mxy5t3mw9`
	SOA	`ns1.tumblr.com`hostmaster@tumblr.com 2026-04-09 #1

WOT: SAFE (89/100)
rank #58 globally
rank #38 in the tld
This domain name "tumblr.com" refers to the official website of Tumblr, a platform that allows users to post multimedia and other content in a short-form blog format. Users can follow other users' blogs, as well as make their blogs private. It's a space for creative expression and content sharing, popular among artists, photographers, writers, and other content creators.🔒 HSTS Preload (+subdomains)
WOT: SAFE (89/100)
📈 Tranco rank: #157

Tumblr

Tumblr is a microblogging and social networking platform that allows users to post multimedia content and follow other users' blogs. Founded in 2007 by David Karp, it became known for its creative communities and reblog-based content sharing. The platform was acquired by Yahoo in 2013, later became part of Verizon's Oath/Verizon Media, and was sold to Automattic (the company behind WordPress.com) in 2019.

Key Features

Microblogging — Users create blogs with posts containing text, images, GIFs, videos, audio, and links
Reblogging — Share and add commentary to other users' content
Community-driven — Strong presence of art, fandom, LGBTQIA+, writing, and niche interest communities
Customizable themes — Extensive blog customization options

Infrastructure

Record Type	Details
Hosting	Automattic (US and Ireland)
Primary IP	192.0.77.40
Nameservers	ns1-4.tumblr.com (self-hosted)
Mail	Google Workspace (aspmx.l.google.com and alternates)
IPv6	Dual-stack with addresses in US (2620:115:c00f::/48) and Ireland (2a04:fa87:ffff::/48)
DNSSEC	Not signed

DNS History

4 records (1 active, 3 former)

●A192.0.77.402026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 14:55:30
● 2026-04-12 00:09:04

○CNAMEcs1143.wpc.chicdn.net2020-05-02 → 2026-02-17 · 5 obs

○ 2019-02-10 03:44:28
● 2020-05-02 23:20:40
● 2026-02-17 07:35:46
○ 2026-02-19 13:44:10
○ 2026-04-12 00:09:04

○CNAMEe2p-v4.gycs.b.yahoodns.net2017-10-22 → 2017-10-22 · 4 obs

○ 2017-09-07 04:21:28
● 2017-10-22 11:32:30
○ 2018-10-25 18:20:52
○ 2026-04-12 00:09:04

○CNAMEedge2.gycs.b.yahoodns.net2017-09-07 → 2019-02-10 · 6 obs

● 2017-09-07 04:21:28
○ 2017-10-22 11:32:30
● 2018-10-25 18:20:52
● 2019-02-10 03:44:28
○ 2020-05-02 23:20:40
○ 2026-04-12 00:09:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tumblr.com	ns1.tumblr.com, ns2.tumblr.com, ns3.tumblr.com, ns4.tumblr.com	8 records

✅ Authoritative Response

Server:192.0.75.11

NS records: ns1.tumblr.com, ns2.tumblr.com, ns3.tumblr.com, ns4.tumblr.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tumblr.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.0.77.40`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.tumblr.com, ns1.tumblr.com, ns2.tumblr.com...)

Analysis

IP Addresses

api-http2.tumblr.com resolves to one IP number: 192.0.77.40.

Other host names, for instance mx.tumblr.com, embed.tumblr.com, secure.assets.tumblr.com, email-redirect.tumblr.com and ls.srvcs.tumblr.com share IP numbers with api-http2.tumblr.com.

api-http2.tumblr.com - robtex.com