htmlhelp.org - dns.ninja

htmlhelp.org

DNSSEC⚠️ Not signed
A216.146.209.85🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203
PTRhtmlhelp.com
NSdns2.pair.com ⭐
A2607:f441::d892:c318🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States
PTRdns2.pair.com
A216.146.195.24🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203
PTRdns2.pair.com
NSns0.ns0.com
A2607:f440::d85c:3715🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203
PTRns0.ns0.com
A216.92.55.21🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203
PTRns0.ns0.com
MXmail1.g20.pair.com ⭐
A2607:f441::d892:c35d🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States
PTRmail1.g20.pair.com
A216.146.195.93🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203
PTRmail1.g20.pair.com
SOAdns2.pair.comroot@pair.com 2026-04-06 #16

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1782560496
rank #233714 globally
rank #18161 in the tld
WOT: UNKNOWN (74/100)
📈 Tranco rank: #915,650

Previously MX for

htmlhelp.org

Subdomains

www.htmlhelp.org

Same first word

htmlhelp.org
htmlhelp.com
htmlhelp.de
htmlhelp.nl

DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSdns2.pair.comns0.ns0.comdns.webthing.comns-cloud-a1.googledomains.comns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a4.googledomains.comzaphod.htmlhelp.comMXmail1.g20.pair.comhtmlhelp.orgA216.146.209.85207.36.201.119
○NSdns.webthing.com2015-05-07 → 2016-12-02 · 4 obs
● 2015-05-07 19:57:04
● 2016-12-02 02:25:04
○ 2017-08-30 02:15:42
○ 2026-06-27 12:20:22
●NSdns2.pair.com2026-05-09 → 2026-06-27 · 3 obs
○ 2017-08-30 02:15:42
● 2026-05-09 17:44:48
● 2026-06-27 12:20:22
○NSns-cloud-a1.googledomains.com2017-08-30 → 2017-08-30 · 4 obs
○ 2016-12-02 02:25:04
● 2017-08-30 02:15:42
○ 2026-05-09 17:44:48
○ 2026-06-27 12:20:22
○NSns-cloud-a2.googledomains.com2017-08-30 → 2017-08-30 · 4 obs
○ 2016-12-02 02:25:04
● 2017-08-30 02:15:42
○ 2026-05-09 17:44:48
○ 2026-06-27 12:20:22
○NSns-cloud-a3.googledomains.com2017-08-30 → 2017-08-30 · 4 obs
○ 2016-12-02 02:25:04
● 2017-08-30 02:15:42
○ 2026-05-09 17:44:48
○ 2026-06-27 12:20:22
○NSns-cloud-a4.googledomains.com2017-08-30 → 2017-08-30 · 4 obs
○ 2016-12-02 02:25:04
● 2017-08-30 02:15:42
○ 2026-05-09 17:44:48
○ 2026-06-27 12:20:22
●NSns0.ns0.com2026-05-09 → 2026-06-27 · 3 obs
○ 2017-08-30 02:15:42
● 2026-05-09 17:44:48
● 2026-06-27 12:20:22
○NSzaphod.htmlhelp.com2015-05-07 → 2016-12-02 · 4 obs
● 2015-05-07 19:57:04
● 2016-12-02 02:25:04
○ 2017-08-30 02:15:42
○ 2026-06-27 12:20:22
○MXhtmlhelp.org2015-05-07 → 2017-08-30 · 4 obs
● 2015-05-07 19:57:04
● 2017-08-30 02:15:42
○ 2026-05-09 17:44:48
○ 2026-06-27 12:20:22
●MXmail1.g20.pair.com2026-05-09 → 2026-06-27 · 3 obs
○ 2017-08-30 02:15:42
● 2026-05-09 17:44:48
● 2026-06-27 12:20:22
○A207.36.201.1192015-05-07 → 2017-08-30 · 4 obs
● 2015-05-07 19:57:04
● 2017-08-30 02:15:42
○ 2026-05-09 17:44:48
○ 2026-06-27 12:20:22
●A216.146.209.852026-05-09 → 2026-06-27 · 3 obs
○ 2017-08-30 02:15:42
● 2026-05-09 17:44:48
● 2026-06-27 12:20:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
htmlhelp.orgns0.ns0.com, dns2.pair.com-

✅ Authoritative Response

Server:216.92.55.21

NS records: ns0.ns0.com, dns2.pair.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htmlhelp.org (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

TypeCountSample Data
A1216.146.209.85
NS2dns2.pair.com, ns0.ns0.com
MX1mail1.g20.pair.com (pri: 50)
SOA1dns2.pair.com root.pair.com

Analysis

Hierarchy

www.htmlhelp.org is a subdomain of htmlhelp.org.

IP Addresses

htmlhelp.org resolves to just one IP address, 216.146.209.85.

There are other host names — htmlhelp.com among them — that share IP numbers with htmlhelp.org.

Name Servers

DNS delegation for htmlhelp.org points to two name servers: ns0.ns0.com and dns2.pair.com.

htmlhelp.org shares its NS records with other domains, for example laurelvalleymetals.com, robertacase.com, calistogaselfstorage.com and two others.

The name servers of htmlhelp.org overlap at least partially with those of other domains — among them axim.com, n38a.com, ray-mcgovern.com and two more.

These name servers commonly appear in delegations together with dns3.pair.com, dns.pair.com, ns7.ns0.com and 5 other.

ns0.ns0.com directs to 216.92.55.21 and 2607:f440::d85c:3715. dns2.pair.com directs to 216.146.195.24 and 2607:f441::d892:c318. Each host name carries two IP addresses.

Mail Servers

The sole mail server for htmlhelp.org is mail1.g20.pair.com.

Among the domains sharing a mail server setup with htmlhelp.org are pinochle.org, johnny.dramastic.name, thcviva.com and two others.

mail1.g20.pair.com resolves to two IP numbers — 216.146.195.93 and 2607:f441::d892:c35d.