alfierstein.com - robtex.com
alfierstein.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.39.27.20🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | acoustilog.com | ||||||
| NS | dns4.pair.com ⭐ | ||||||
| A | 2607:f440::d85c:fc0a🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | dns4.pair.com | ||||||
| A | 216.92.252.10🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | dns4.pair.com | ||||||
| NS | ns9.ns0.com | ||||||
| A | 216.146.193.36🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns9.ns0.com | ||||||
| MX | mail5.g24.pair.com ⭐ | ||||||
| A | 2607:f440::4227:8b24🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail5.g24.pair.com | ||||||
| A | 66.39.139.36🇺🇸 AS785966.39.128.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail5.g24.pair.com | ||||||
| SOA | dns4.pair.comroot@pair.com 2025-11-18 #19 | ||||||
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=1771291435 | ||||||
Same first word
alfierstein.com |
Similar names
resilientaf.com |
lisaneifert.com |
airlinesetf.com |
liferateins.com |
stainrelief.com |
eliteinfras.com |
freesiaintl.com |
DNS History
8 records (4 active, 4 former)
○NSns546.pair.com2015-08-13 → 2019-12-31 · 3 obs
● 2019-12-31 04:06:38
○ 2026-03-24 05:39:48
○NSns7.ns0.com2015-08-13 → 2019-12-31 · 3 obs
● 2019-12-31 04:06:38
○ 2026-03-24 05:39:48
●MXmail5.g24.pair.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 05:39:48
○MXmailwash23.pair.com2015-08-13 → 2019-12-31 · 3 obs
● 2019-12-31 04:06:38
○ 2026-03-24 05:39:48
○A66.39.123.252015-08-13 → 2019-12-31 · 3 obs
● 2019-12-31 04:06:38
○ 2026-03-24 05:39:48
●A66.39.27.202026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 05:39:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| alfierstein.com | dns4.pair.com, ns9.ns0.com | 4 records |
✅ Authoritative Response
Server:216.92.252.10
NS records: dns4.pair.com, ns9.ns0.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alfierstein.com (unsigned zone)
⏱️ Timing
Total: 180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.39.27.20 |
| NS | 2 | dns4.pair.com, ns9.ns0.com |
| MX | 1 | mail5.g24.pair.com (pri: 50) |
| SOA | 1 | dns4.pair.com root.pair.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns4.pair.com, dns4.pair.com, ns9.ns0.com...)
Analysis
IP Addresses
alfierstein.com resolves to one IP number: 66.39.27.20.
Other host names, for example acoustilog.com, share IP numbers with alfierstein.com.
Name Servers
alfierstein.com's delegation uses two name servers: ns9.ns0.com and dns4.pair.com.
alfierstein.com uses the same name server setup as other domains, such as andrewmarcus.com, dreamhavenbooks.com, foveal.com, perisphererwe.pairsite.com and eyethena.net.
alfierstein.com at least partially shares name servers with other domains, including derekfisher.com, thestarrynightsranch.com, nfldraftcountdown.com, dwdgo.net and triangletubeparts.com.
these name servers are commonly used alongside ns2.quickserve.com, ns7.ns0.com, ns8.ns0.com, ns0.ns0.com, ns0000.ns0.com, ns00.ns0.com and ns1.quickserve.com.
Host names with two IP numbers: dns4.pair.com points to 2607:f440::d85c:fc0a and 216.92.252.10.
Host names with one IP number: ns9.ns0.com points to 216.146.193.36.
Mail Servers
A single mail server handles alfierstein.com, mail5.g24.pair.com.
alfierstein.com shares the same mail server setup as other domains, for instance rarebookcataloguer.com, azizatech.com, doov.com, reader.com and ikaa.net.
The host name mail5.g24.pair.com resolves to two IP numbers: 2607:f440::4227:8b24 and 66.39.139.36.