quant.nu - dns.ninja

`quant.nu`

DNSSEC	⚠️ Not signed
A	83.96.176.80^{🇳🇱 AS-TBNLTN83.96.128.0/18 ProServe Network}
		PTR	`web.dds.nl`
NS	`ns1.dds.nl` ⭐
		A	141.255.180.130^{🇳🇱 AS-TBNLTN141.255.180.0/22 ProServe Network}
			PTR	`ns1.dds.nl`
NS	`ns2.dds.eu`
		A	136.144.233.156^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`136-144-233-156.colo.transip.net`
NS	`ns3.dds.amsterdam`
		A	85.158.250.40^{🇳🇱 AS-TBNLTN85.158.248.0/22 ProServe Network}
			PTR	`ip-space.by.zxcs.nl`
NS	`ns4.dds-city.com` ⚠️ Not in zone NS records
		A	85.158.250.40^{🇳🇱 AS-TBNLTN85.158.248.0/22 ProServe Network}
			PTR	`ip-space.by.zxcs.nl`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽³⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
MX	`forward1.dds.nl`⁽²⁰⁰⁾
		A	91.142.252.34^{🇳🇱 AS-TBNLTN91.142.252.0/23 ProServe Network}
			PTR	`mx4.dds.nl`
		A	91.142.252.35^{🇳🇱 AS-TBNLTN91.142.252.0/23 ProServe Network}
			PTR	`mx5.dds.nl`
		A	91.142.252.36^{🇳🇱 AS-TBNLTN91.142.252.0/23 ProServe Network}
			PTR	`mx6.dds.nl`
MX	`forward2.dds.nl`⁽²⁰⁰⁾
		A	91.142.252.31^{🇳🇱 AS-TBNLTN91.142.252.0/23 ProServe Network}
			PTR	`mx1.dds.nl`
		A	91.142.252.32^{🇳🇱 AS-TBNLTN91.142.252.0/23 ProServe Network}
			PTR	`mx2.dds.nl`
		A	91.142.252.33^{🇳🇱 AS-TBNLTN91.142.252.0/23 ProServe Network}
			PTR	`mx3.dds.nl`
TXT	`protonmail-verification=bd99e0643ae8f7bdc8cec529b84eecd16d35b7e9`
TXT	`v=spf1 include:_spf.protonmail.ch include:spf.dds.nl include:_spf.google.com ...`
SOA	`ns1.dds.nl`postmaster@quant.nu serial=1

`nu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.nu` ⭐
	NS	`a.ns.nu`
	NS	`c.ns.nu`
	NS	`d.ns.nu`
	NS	`m.ns.nu`
	NS	`y.ns.nu`
	NS	`z.ns.nu`
	TXT	`id:44c0df5e-2653-4068-b2fd-7dd246eb5832`
	TXT	`NU zone update: 2026-07-31 14:09:23 +0000 (EPOCH 1785506963) (auto)`
	SOA	`catcher-in-the-rye.nic.nu`hostmaster@nic.nu serial=1785507018

Same first word

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DNS History

13 records (9 active, 4 former)

○NSdns0.zoneedit.com2015-06-15 → 2019-10-18 · 4 obs

● 2015-06-15 06:44:22
● 2019-10-18 17:11:58
○ 2026-04-05 23:38:48
○ 2026-07-31 14:14:34

●NSns1.dds.nl2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

●NSns2.dds.eu2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

●NSns3.dds.amsterdam2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

○NSns3.zoneedit.com2015-06-15 → 2019-10-18 · 4 obs

● 2015-06-15 06:44:22
● 2019-10-18 17:11:58
○ 2026-04-05 23:38:48
○ 2026-07-31 14:14:34

●NSns4.dds-city.com2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

○NSns4.zoneedit.com2015-06-15 → 2019-10-18 · 4 obs

● 2015-06-15 06:44:22
● 2019-10-18 17:11:58
○ 2026-04-05 23:38:48
○ 2026-07-31 14:14:34

●MXforward1.dds.nl2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

●MXforward2.dds.nl2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

●MXmail.protonmail.ch2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

●MXmailsec.protonmail.ch2026-04-05 → 2026-07-31 · 3 obs

○ 2019-10-18 17:11:58
● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

○MXmx-caprica.zoneedit.com2015-06-15 → 2019-10-18 · 4 obs

● 2015-06-15 06:44:22
● 2019-10-18 17:11:58
○ 2026-04-05 23:38:48
○ 2026-07-31 14:14:34

●A83.96.176.802026-04-05 → 2026-07-31 · 2 obs

● 2026-04-05 23:38:48
● 2026-07-31 14:14:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu...	12 records
quant.nu	ns4.dds-city.com, ns3.dds.amsterdam, ns1.dds.nl, ns2.dds.eu	-

✅ Authoritative Response

Server:136.144.233.156

NS records: ns4.dds-city.com, ns3.dds.amsterdam, ns1.dds.nl, ns2.dds.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quant.nu (unsigned zone)

⏱️ Timing

Total: 1378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.96.176.80`
NS	3	`ns1.dds.nl, ns3.dds.amsterdam...`
MX	4	`mail.protonmail.ch (pri: 25), mailsec.protonmail.ch (pri: 30)...`
TXT	2	`v=spf1 include:_spf.protonmail.ch includ, protonmail-verification=bd99e0643ae8f7bd`
SOA	1	`ns1.dds.nl postmaster.quant.nu`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)

Analysis

IP Addresses

quant.nu has exactly one IP address — 83.96.176.80.

mail.patousch.com, m2b-marketing.nl, tilmann.nl plus two other host names have IP numbers in common with quant.nu.

Name Servers

Four name servers handle the delegation for quant.nu: ns3.dds.amsterdam, ns4.dds-city.com, ns2.dds.eu and ns1.dds.nl.

At least some of quant.nu's name servers are shared with other domains, for example poeteren.com, milliped.nl, gangel.nl and two more.

ns3.dds.amsterdam, ns4.dds-city.com, ns2.dds.eu and ns1.dds.nl each have one IP address: ns3.dds.amsterdam → 85.158.250.40, ns4.dds-city.com → 85.158.250.40, ns2.dds.eu → 136.144.233.156 and ns1.dds.nl → 141.255.180.130.

Both ns3.dds.amsterdam and ns4.dds-city.com resolve to 85.158.250.40 IP addresses each.

Mail Servers

The four mail servers for quant.nu are mail.protonmail.ch, mailsec.protonmail.ch, forward1.dds.nl and forward2.dds.nl.

At least some of the mail servers used by quant.nu are shared with other domains: humeba.com, ultrabyte.com.au, endtimeevangelist.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers smtpwriter.dds.nl.

mail.protonmail.ch, mailsec.protonmail.ch, forward1.dds.nl and forward2.dds.nl all carry three IP addresses each. mail.protonmail.ch: 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch: 176.119.200.129, 185.70.42.129 and 185.205.70.129. forward1.dds.nl: 91.142.252.34, 91.142.252.35 and 91.142.252.36. forward2.dds.nl: 91.142.252.31, 91.142.252.32 and 91.142.252.33.