htmlhelp.com - robtex.com
htmlhelp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.146.209.85🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | htmlhelp.com | ||||||
| NS | dns2.pair.com ⭐ | ||||||
| A | 2607:f441::d892:c318🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States | ||||||
| PTR | dns2.pair.com | ||||||
| A | 216.146.195.24🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | dns2.pair.com | ||||||
| NS | ns0.ns0.com | ||||||
| A | 2607:f440::d85c:3715🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns0.ns0.com | ||||||
| MX | mail1.g20.pair.com ⭐ | ||||||
| A | 2607:f441::d892:c35d🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States | ||||||
| PTR | mail1.g20.pair.com | ||||||
| A | 216.146.195.93🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail1.g20.pair.com | ||||||
| SOA | dns2.pair.comroot@pair.com 2026-04-06 #16 | ||||||
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.netnstld@verisign-grs.com serial=1778367801 | ||||||
rank #6717 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #50,718
PTR for
Previously MX for
Subdomains
Same first word
DNS History
8 records (4 active, 4 former)
○NSdns.webthing.com2015-08-15 → 2017-08-05 · 4 obs
● 2017-08-05 07:36:10
○ 2020-10-31 06:18:08
○ 2026-05-09 23:33:16
●NSdns2.pair.com2020-10-31 → 2026-05-09 · 3 obs
● 2020-10-31 06:18:08
● 2026-05-09 23:33:16
●NSns0.ns0.com2020-10-31 → 2026-05-09 · 3 obs
● 2020-10-31 06:18:08
● 2026-05-09 23:33:16
○NSzaphod.htmlhelp.com2015-08-15 → 2017-08-05 · 4 obs
● 2017-08-05 07:36:10
○ 2020-10-31 06:18:08
○ 2026-05-09 23:33:16
○MXhtmlhelp.com2015-08-15 → 2017-08-05 · 4 obs
● 2017-08-05 07:36:10
○ 2020-10-31 06:18:08
○ 2026-05-09 23:33:16
●MXmail1.g20.pair.com2020-10-31 → 2026-05-09 · 3 obs
● 2020-10-31 06:18:08
● 2026-05-09 23:33:16
○A207.36.201.1192015-08-15 → 2017-08-05 · 4 obs
● 2017-08-05 07:36:10
○ 2020-10-31 06:18:08
○ 2026-05-09 23:33:16
●A216.146.209.852020-10-31 → 2026-05-09 · 3 obs
● 2020-10-31 06:18:08
● 2026-05-09 23:33:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net... | - |
| htmlhelp.com | ns0.ns0.com, dns2.pair.com | 4 records |
✅ Authoritative Response
Server:216.146.195.24
NS records: ns0.ns0.com, dns2.pair.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for htmlhelp.com (unsigned zone)
⏱️ Timing
Total: 316ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.146.209.85 |
| NS | 2 | dns2.pair.com, ns0.ns0.com |
| MX | 1 | mail1.g20.pair.com (pri: 50) |
| SOA | 1 | dns2.pair.com root.pair.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns0.ns0.com, ns0.ns0.com, dns2.pair.com...)
Analysis
Hierarchy
htmlhelp.com is a parent of mail.htmlhelp.com and www.htmlhelp.com.
IP Addresses
htmlhelp.com points to a single IP number: 216.146.209.85.
Other host names, for instance htmlhelp.org, share IP numbers with htmlhelp.com.
Name Servers
htmlhelp.com is delegated to two name servers: ns0.ns0.com and dns2.pair.com.
htmlhelp.com uses the same name server setup as other domains, for instance austinmanchester.com, fivefishpress.com, noporsuerte.com, suzikatzgardendesign.com and deshong.org.
htmlhelp.com shares name servers with other domains at least partially, for instance firstdancedfw.com, tonythebassguy.com, nonentity.net, abc-documents.com and 105.92.216.in-addr.arpa.
these name servers are commonly used with dns.pair.com, dns3.pair.com, ns1.pair.com, ns7.ns0.com, dns4.pair.com, ns2.quickserve.com and ns527.pair.com.
Host names with two IPs:
dns2.pair.com points to: 2607:f441::d892:c318 and 216.146.195.24.
Host names with one IP:
ns0.ns0.com points to: 2607:f440::d85c:3715.
Mail Servers
The mail server for htmlhelp.com is mail1.g20.pair.com.
htmlhelp.com shares the same mail server setup as other domains, including billshunn.com, enhancelifechiropracticdenver.com, ruiter.ca, reclaimingfutures.org and pinochle.org.
Host name mail1.g20.pair.com resolves to two IPs: 2607:f441::d892:c35d and 216.146.195.93.