simprograms.com - robtex.com
simprograms.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.72.2.151🇬🇧 KRYSTAL77.72.2.0/24 | ||||||
| PTR | p151.lon.krystal.io | ||||||
| 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.io ⭐ | ||||||
| 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.io(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 ip4:77.72.1.48 ip4:77.72.2.151 ip4:77.72.2.92 ip4:185.194.90.22 includ... | ||||||
| SOA | ns1.krystal.ukadmin@demo.p151.lon.krystal.io 2026-05-22 #5 | ||||||
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=1781125238 | ||||||
Same first word
simprograms.com |
DNS History
13 records (5 active, 8 former)
○NSamy.ns.cloudflare.com2015-08-04 → 2016-04-20 · 4 obs
● 2016-04-20 10:28:26
○ 2026-02-27 00:57:36
○ 2026-06-10 21:14:08
○NSmax.ns.cloudflare.com2015-08-04 → 2016-04-20 · 4 obs
● 2016-04-20 10:28:26
○ 2026-02-27 00:57:36
○ 2026-06-10 21:14:08
●NSns1.krystal.uk2026-02-27 → 2026-06-10 · 3 obs
● 2026-02-27 00:57:36
● 2026-06-10 21:14:08
●NSns2.krystal.uk2026-02-27 → 2026-06-10 · 3 obs
● 2026-02-27 00:57:36
● 2026-06-10 21:14:08
○MXmail.simprograms.com2015-08-04 → 2015-11-23 · 4 obs
● 2015-11-23 16:12:10
○ 2016-01-18 14:52:50
○ 2026-06-10 21:14:08
●MXmx1.krystal.io2026-06-10 → 2026-06-10 · 2 obs
● 2026-06-10 21:14:08
○MXmx1.krystal.uk2026-02-27 → 2026-05-12 · 4 obs
● 2026-02-27 00:57:36
● 2026-05-12 02:46:32
○ 2026-06-10 21:14:08
●MXmx2.krystal.io2026-06-10 → 2026-06-10 · 2 obs
● 2026-06-10 21:14:08
○MXmx2.krystal.uk2026-02-27 → 2026-05-12 · 4 obs
● 2026-02-27 00:57:36
● 2026-05-12 02:46:32
○ 2026-06-10 21:14:08
○A104.27.176.2362015-08-04 → 2016-04-20 · 4 obs
● 2016-04-20 10:28:26
○ 2026-02-27 00:57:36
○ 2026-06-10 21:14:08
○A104.27.177.2362015-08-04 → 2016-04-20 · 4 obs
● 2016-04-20 10:28:26
○ 2026-02-27 00:57:36
○ 2026-06-10 21:14:08
○A77.72.1.482026-02-27 → 2026-05-12 · 4 obs
● 2026-02-27 00:57:36
● 2026-05-12 02:46:32
○ 2026-06-10 21:14:08
●A77.72.2.1512026-06-10 → 2026-06-10 · 2 obs
● 2026-06-10 21:14:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net... | - |
| simprograms.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 simprograms.com (unsigned zone)
⏱️ Timing
Total: 629ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.72.2.151 |
| NS | 2 | ns1.krystal.uk, ns2.krystal.uk |
| MX | 2 | mx1.krystal.io (pri: 10), mx2.krystal.io (pri: 20) |
| TXT | 1 | v=spf1 ip4:77.72.1.48 ip4:77.72.2.151 ip |
| SOA | 1 | ns1.krystal.uk admin.demo.p151.lon.kryst |
Analysis
IP Addresses
simprograms.com resolves to just one IP address, 77.72.2.151.
Two other host names, along with landlordassociation.org.uk, autistica.org.uk and retailtimes.co.uk, also share IP numbers with simprograms.com.
Name Servers
Two name servers handle the delegation for simprograms.com: ns1.krystal.uk and ns2.krystal.uk.
simprograms.com shares its NS records with other domains, for example wildandsons.com, onemindlive.com, stubrew.com and two others.
simprograms.com partially shares its NS delegation with several other domains, including engageworship.org, garymyatt.com, ricknunn.com and two others.
In DNS configurations, these name servers often share authority with ns1.krystal.co.uk, ns2.krystal.co.uk, ns2.cloudhosting.co.uk and 5 other name servers.
ns1.krystal.uk resolves to 77.72.0.11. ns2.krystal.uk resolves to 139.162.230.184. Both host names point to a single IP number.
Mail Servers
simprograms.com is served by two mail servers, mx1.krystal.io and mx2.krystal.io.
Among the domains sharing a mail server setup with simprograms.com are alansmitheurope.com, succeedandprofit.com, themeflood.com and two others.
mx1.krystal.io and mx2.krystal.io both carry two IP addresses. The A records for mx1.krystal.io are 185.53.56.44 and 185.53.56.46; the A records for mx2.krystal.io are 185.53.56.45 and 185.53.56.47.