nullreference.com - robtex.com
nullreference.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.250.120.97🇺🇸 IONOS-AS216.250.112.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | perfora.net | ||||||
| NS | ns57.1and1.com ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:32🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1032.ui-dns.com | ||||||
| A | 185.132.34.32🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1032.ui-dns.com | ||||||
| NS | ns58.1and1.com | ||||||
| A | 2607:f1c0:fe:53:185:132:35:31🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1031.ui-dns.org | ||||||
| A | 185.132.35.31🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1031.ui-dns.org | ||||||
| MX | mx00.1and1.com ⭐ | ||||||
| A | 74.208.114.65🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc. | ||||||
| PTR | mx00.perfora.net | ||||||
| MX | mx01.1and1.com ⭐ | ||||||
| A | 74.208.114.66🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc. | ||||||
| PTR | mx01.perfora.net | ||||||
| SOA | ns57.1and1.comhostmaster@1and1.com 2016-06-16 #0 | ||||||
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=1788312500 | ||||||
Same first word
nullreference.nl |
nullreference.net |
nullreference.io |
nullreference.org |
nullreference.com |
nullreference.dev |
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●A216.250.120.972016-11-08 → 2026-09-02 · 3 obs
● 2016-11-08 06:31:32
● 2026-09-02 01:54:18
○A74.208.83.842007-11-13 → 2016-03-28 · 4 obs
● 2016-03-28 15:36:12
○ 2016-11-08 06:31:32
○ 2026-09-02 01:54:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nullreference.com | ns57.1and1.com, ns58.1and1.com | 4 records |
✅ Authoritative Response
Server:217.160.83.31
NS records: ns57.1and1.com, ns58.1and1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nullreference.com (unsigned zone)
⏱️ Timing
Total: 748ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.250.120.97 |
| NS | 2 | ns58.1and1.com, ns57.1and1.com |
| MX | 2 | mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 10) |
| SOA | 1 | ns57.1and1.com hostmaster.1and1.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns57.1and1.com, ns57.1and1.com, ns58.1and1.com...)
Analysis
IP Addresses
nullreference.com resolves to one IP address: 216.250.120.97.
inntechsolutions.com, jetts.net, valeriechang.com and two other host names share IP numbers with nullreference.com.
Name Servers
The NS records for nullreference.com delegate to ns57.1and1.com and ns58.1and1.com.
nullreference.com uses the same name servers as several other domains — among them mustardseedadvent.com, hotels-chicagoland.com, mlsnerd.com and two more.
nullreference.com shares at least some of its name servers with other domains, including anotheridea.in, mandelberg.net, cedarroadmeats.com and two others.
These name servers are frequently seen alongside ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and 5 other name servers.
ns57.1and1.com resolves to 185.132.34.32 and 2607:f1c0:fe:53:185:132:34:32. Likewise, ns58.1and1.com resolves to 185.132.35.31 and 2607:f1c0:fe:53:185:132:35:31 — two IP addresses apiece.
Mail Servers
Mail for nullreference.com is handled by two mail servers — mx00.1and1.com and mx01.1and1.com.
nullreference.com uses an identical mail server configuration to several other domains — among them lootlive.com, s175749367.onlinehome.us, sardipity.com and two more.
nullreference.com has at least partial mail server overlap with other domains such as rmbforex.com, androidplay.net, theglassgurufranchise.com and two more.
These mail servers frequently appear alongside the mail servers aspmx.l.google.com and alt1.aspmx.l.google.com.
mx00.1and1.com and mx01.1and1.com each resolve to one IP number: mx00.1and1.com points to 74.208.114.65 and mx01.1and1.com points to 74.208.114.66.