rossob.com - dns.ninja
rossob.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.72.1.31🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | hoth.krystal.uk | ||||||
| NS | ns1.krystal.uk ⭐ | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns2.krystal.uk | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| MX | mx1.krystal.uk ⭐ | ||||||
| A | 185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| A | 185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| MX | mx2.krystal.uk(20) | ||||||
| A | 185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| A | 185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| TXT | v=spf1 include:relay.k.io a mx ip4:77.72.1.31 ~all | ||||||
| SOA | ns1.krystal.ukadmin@k-validator-hoth.krystal.uk 2026-07-08 #1 | ||||||
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=1786329189 | ||||||
Same first word
rossob.com |
Similar names
DNS History
11 records (5 active, 6 former)
●NSns1.krystal.uk2026-02-23 → 2026-08-10 · 6 obs
● 2026-02-23 22:22:00
● 2026-03-15 08:08:46
○ 2026-04-05 04:34:40
● 2026-06-12 09:11:48
● 2026-08-10 02:35:30
●NSns2.krystal.uk2026-02-23 → 2026-08-10 · 6 obs
● 2026-02-23 22:22:00
● 2026-03-15 08:08:46
○ 2026-04-05 04:34:40
● 2026-06-12 09:11:48
● 2026-08-10 02:35:30
○NSns49.domaincontrol.com2015-05-29 → 2017-06-05 · 4 obs
● 2017-06-05 02:07:06
○ 2026-02-23 22:22:00
○ 2026-08-10 02:35:30
○NSns50.domaincontrol.com2015-05-29 → 2017-06-05 · 4 obs
● 2017-06-05 02:07:06
○ 2026-02-23 22:22:00
○ 2026-08-10 02:35:30
○MXmailstore1.europe.secureserver.net2015-05-29 → 2017-06-05 · 4 obs
● 2017-06-05 02:07:06
○ 2026-02-23 22:22:00
○ 2026-08-10 02:35:30
●MXmx1.krystal.uk2026-02-23 → 2026-08-10 · 6 obs
● 2026-02-23 22:22:00
● 2026-03-15 08:08:46
○ 2026-04-05 04:34:40
● 2026-06-12 09:11:48
● 2026-08-10 02:35:30
●MXmx2.krystal.uk2026-02-23 → 2026-08-10 · 6 obs
● 2026-02-23 22:22:00
● 2026-03-15 08:08:46
○ 2026-04-05 04:34:40
● 2026-06-12 09:11:48
● 2026-08-10 02:35:30
○MXsmtp.europe.secureserver.net2015-05-29 → 2017-06-05 · 4 obs
● 2017-06-05 02:07:06
○ 2026-02-23 22:22:00
○ 2026-08-10 02:35:30
○A50.63.202.262015-10-12 → 2017-06-05 · 5 obs
● 2015-10-12 14:52:14
● 2017-06-05 02:07:06
○ 2026-02-23 22:22:00
○ 2026-08-10 02:35:30
○A50.63.202.612015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-12 14:52:14
○ 2026-08-10 02:35:30
●A77.72.1.312026-02-23 → 2026-08-10 · 6 obs
● 2026-02-23 22:22:00
● 2026-03-15 08:08:46
○ 2026-04-05 04:34:40
● 2026-06-12 09:11:48
● 2026-08-10 02:35:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net... | - |
| rossob.com | ns2.krystal.uk, ns1.krystal.uk | - |
✅ Authoritative Response
Server:139.162.230.184
NS records: ns2.krystal.uk, ns1.krystal.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rossob.com (unsigned zone)
⏱️ Timing
Total: 377ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.72.1.31 |
| NS | 2 | ns2.krystal.uk, ns1.krystal.uk |
| MX | 2 | mx2.krystal.uk (pri: 20), mx1.krystal.uk (pri: 10) |
| TXT | 1 | v=spf1 include:relay.k.io a mx ip4:77 |
| SOA | 1 | ns1.krystal.uk admin.k-validator-hoth.kr |
Analysis
IP Addresses
rossob.com points to a single IP number: 77.72.1.31.
Additional host names — hoth.krystal.uk, comfyuk.co.uk, c4journal.com and two others — share IP numbers with rossob.com.
Name Servers
DNS delegation for rossob.com points to two name servers: ns1.krystal.uk and ns2.krystal.uk.
rossob.com shares its name server setup with other domains, including taskeru.com, trumedia.co.uk, splashof.life and two others.
rossob.com has at least partial name server overlap with other domains, such as smartwealthtraining.com, globalforce.co.uk, huwgriffith.com and two others.
ns1.krystal.co.uk, ns2.krystal.co.uk and ns1.krystal.io — plus 7 other name servers — are commonly paired with these name servers.
ns1.krystal.uk directs to 77.72.0.11 and ns2.krystal.uk directs to 139.162.230.184; each host name points to exactly one IP number.
Mail Servers
rossob.com has two mail servers: mx1.krystal.uk and mx2.krystal.uk.
rossob.com shares the same mail server setup as other domains, including albertmiles.co.uk, aliceparkes.com, speyfishing-grantown.co.uk and two others.
mx1.krystal.uk directs to 185.53.56.44 and 185.53.56.46. mx2.krystal.uk directs to 185.53.56.45 and 185.53.56.47. Each host name carries two IP addresses.