mpmath.org - dns.ninja

`mpmath.org`

DNSSEC	⚠️ Not signed
A	78.159.99.205^{🇩🇪 LEASEWEB-DE-FRA-1078.159.96.0/19 Leaseweb DE}
		PTR	`opal6.opalstack.com`
NS	`ns2.de.opalstack.com` ⭐
		A	139.162.223.59^{🇬🇧 AKAMAI-LINODE-AP139.162.192.0/19 Akamai Technologies}
			PTR	`ns2.de.opalstack.com`
NS	`ns1.de.opalstack.com`
		A	139.162.174.250^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`ns1.de.opalstack.com`
NS	`ns1.sg.opalstack.com` ⚠️ Not in zone NS records
		A	172.104.188.200^{🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies}
			PTR	`ns1.sg.opalstack.com`
NS	`ns1.us.opalstack.com` ⚠️ Not in zone NS records
		A	45.79.107.55^{🇺🇸 AKAMAI-LINODE-AP45.79.96.0/20 Akamai Technologies}
			PTR	`ns1.us.opalstack.com`
NS	`ns3.de.opalstack.com`
		A	139.162.190.189^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`ns3.de.opalstack.com`
MX	`mx1.de.opalstack.com` ⭐
		A	2a01:7e01:e001:856::1^{🇩🇪 AKAMAI-LINODE-AP2a01:7e01::/32 Akamai Technologies}
			PTR	`mx1.de.opalstack.com`
		A	139.162.189.90^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`mx1.de.opalstack.com`
MX	`mx2.de.opalstack.com` ⭐
		A	178.162.221.165^{🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18}
			PTR	`mx2.de.opalstack.com`
TXT	`v=spf1 include:spf.opalstack.com ~all`
SOA	`ns2.de.opalstack.com`hostmaster@mpmath.org 2026-05-26 #6

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782500413

rank #716949 globally
rank #54720 in the tld
WOT: SAFE (73/100)

Subdomains

www.mpmath.org

Same first word

mpmath.com

mpmath.org

Similar names

pathmm.com

hmtmap.com

hmmpta.org

mathmp.com

DNS History

23 records (8 active, 15 former)

●NSns1.de.opalstack.com2026-03-30 → 2026-06-26 · 3 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
● 2026-06-26 19:25:20

●NSns1.sg.opalstack.com2026-03-30 → 2026-06-26 · 3 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
● 2026-06-26 19:25:20

●NSns1.us.opalstack.com2026-03-30 → 2026-06-26 · 3 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
● 2026-06-26 19:25:20

○NSns1.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

●NSns2.de.opalstack.com2026-03-30 → 2026-06-26 · 3 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
● 2026-06-26 19:25:20

○NSns2.sg.opalstack.com2026-04-05 → 2026-05-28 · 6 obs

○ 2026-03-30 11:27:44
● 2026-04-05 19:00:08
○ 2026-04-08 20:17:44
○ 2026-05-22 15:44:32
● 2026-05-28 16:02:16
○ 2026-06-26 19:25:20

○NSns2.us.opalstack.com2026-04-05 → 2026-05-22 · 5 obs

○ 2026-03-30 11:27:44
● 2026-04-05 19:00:08
● 2026-05-22 15:44:32
○ 2026-05-28 16:02:16
○ 2026-06-26 19:25:20

○NSns2.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

●NSns3.de.opalstack.com2026-03-30 → 2026-06-26 · 3 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
● 2026-06-26 19:25:20

○NSns3.sg.opalstack.com2026-04-05 → 2026-06-24 · 9 obs

○ 2026-03-30 11:27:44
● 2026-04-05 19:00:08
○ 2026-04-08 20:17:44
○ 2026-05-22 15:44:32
● 2026-05-28 16:02:16
● 2026-06-16 18:11:58
○ 2026-06-22 01:57:56
● 2026-06-24 10:02:20
○ 2026-06-26 19:25:20

○NSns3.us.opalstack.com2026-04-08 → 2026-05-01 · 5 obs

○ 2026-04-05 19:00:08
● 2026-04-08 20:17:44
● 2026-05-01 07:44:34
○ 2026-05-22 15:44:32
○ 2026-06-26 19:25:20

○NSns3.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

○NSns4.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

●MXmx1.de.opalstack.com2026-03-30 → 2026-06-26 · 8 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
○ 2026-04-05 19:00:08
● 2026-04-08 20:17:44
● 2026-06-16 18:11:58
○ 2026-06-22 01:57:56
● 2026-06-24 10:02:20
● 2026-06-26 19:25:20

○MXmx1.us.opalstack.com2026-04-05 → 2026-06-22 · 7 obs

○ 2026-03-30 11:27:44
● 2026-04-05 19:00:08
○ 2026-04-08 20:17:44
○ 2026-06-16 18:11:58
● 2026-06-22 01:57:56
○ 2026-06-24 10:02:20
○ 2026-06-26 19:25:20

●MXmx2.de.opalstack.com2026-03-30 → 2026-06-26 · 8 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
○ 2026-04-05 19:00:08
● 2026-04-08 20:17:44
● 2026-06-16 18:11:58
○ 2026-06-22 01:57:56
● 2026-06-24 10:02:20
● 2026-06-26 19:25:20

○MXmx2.us.opalstack.com2026-04-05 → 2026-06-22 · 7 obs

○ 2026-03-30 11:27:44
● 2026-04-05 19:00:08
○ 2026-04-08 20:17:44
○ 2026-06-16 18:11:58
● 2026-06-22 01:57:56
○ 2026-06-24 10:02:20
○ 2026-06-26 19:25:20

○MXmx7.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

○MXmx8.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

○MXmx9.webfaction.com2015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

○A108.59.4.872015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

○A2604:9a00:2010:a00d:3::842015-07-07 → 2017-03-13 · 4 obs

● 2015-07-07 09:43:00
● 2017-03-13 13:58:22
○ 2026-03-30 11:27:44
○ 2026-06-26 19:25:20

●A78.159.99.2052026-03-30 → 2026-06-26 · 3 obs

○ 2017-03-13 13:58:22
● 2026-03-30 11:27:44
● 2026-06-26 19:25:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
mpmath.org	ns3.de.opalstack.com, ns1.us.opalstack.com, ns1.de.opalstack.com, ns1.sg.opalstack.com...	-

✅ Authoritative Response

Server:45.79.107.55

NS records: ns3.de.opalstack.com, ns1.us.opalstack.com, ns1.de.opalstack.com, ns1.sg.opalstack.com, ns2.de.opalstack.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mpmath.org (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.159.99.205`
NS	3	`ns3.de.opalstack.com, ns1.de.opalstack.com...`
MX	2	`mx1.de.opalstack.com (pri: 10), mx2.de.opalstack.com (pri: 10)`
TXT	1	`v=spf1 include:spf.opalstack.com ~all`
SOA	1	`ns2.us.opalstack.com hostmaster.mpmath.o`

Analysis

Hierarchy

The domain www.mpmath.org falls under the parent mpmath.org.

IP Addresses

mpmath.org resolves to one IP address: 78.159.99.205.

www.gaga.rs, liambyrnes.com, 4krs.com and two other host names share IP numbers with mpmath.org.

Name Servers

mpmath.org has five name servers, which are ns1.de.opalstack.com, ns2.de.opalstack.com, ns3.de.opalstack.com and two others.

At least some of mpmath.org's name servers are shared with other domains, for example freethinker.co.uk, moralsensetest.com, diariopyme.cl and two more.

These name servers tend to co-occur with ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com and 3 other name servers in the same DNS delegations.

Hosts with just one IP address:

ns1.de.opalstack.com points to the IP address 139.162.174.250.

ns2.de.opalstack.com points to the IP address 139.162.223.59.

ns3.de.opalstack.com points to the IP address 139.162.190.189.

ns1.sg.opalstack.com points to the IP address 172.104.188.200.

ns1.us.opalstack.com points to the IP address 45.79.107.55.

Mail Servers

Mail for mpmath.org is handled by two mail servers — mx1.de.opalstack.com and mx2.de.opalstack.com.

mpmath.org uses an identical mail server configuration to several other domains — among them likebike.at, eustonmanifesto.org, w-care.info and two more.

At least a portion of mpmath.org's mail servers are shared with other domains, among them alifi.com and bucketlist.net.

Hostnames that resolve to two IP addresses:

mx1.de.opalstack.com maps to two IP addresses — 139.162.189.90 and 2a01:7e01:e001:856::1.

Hosts with just one IP address:

mx2.de.opalstack.com points to the IP address 178.162.221.165.