`quadratool.com`

DNSSEC	⚠️ Not signed
A	81.19.159.55^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
		PTR	`www55sni.world4you.com`
NS	`ns1.world4you.at` ⭐
		A	2607:f1c0:fe:53:185:132:32:253^{🇺🇸 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	`ns1.world4you.at`
		A	185.132.32.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1.world4you.at`
NS	`ns2.world4you.at`
		A	2001:8d8:fe:53:217:160:82:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns2.world4you.at`
		A	217.160.82.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns2.world4you.at`
MX	`quadratool-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.world4you.at`hostmaster@world4you.com 2025-03-26 #22

`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.net`nstld@verisign-grs.com serial=1771291435

Up

www.quadratool.com

Same first word

quadratool.com

DNS History

7 records (4 active, 3 former)

●NSns1.world4you.at2017-01-05 → 2026-02-25 · 2 obs

● 2017-01-05 00:56:14
● 2026-02-25 22:57:52

●NSns2.world4you.at2017-01-05 → 2026-02-25 · 2 obs

● 2017-01-05 00:56:14
● 2026-02-25 22:57:52

○MXmail.quadratool.com2017-01-05 → 2018-08-08 · 4 obs

● 2017-01-05 00:56:14
● 2018-08-08 11:57:42
○ 2026-02-25 22:57:50
○ 2026-02-25 22:57:52

●MXquadratool-com.mail.protection.outlook.com2026-02-25 → 2026-02-25 · 3 obs

○ 2018-08-08 11:57:42
● 2026-02-25 22:57:50
● 2026-02-25 22:57:52

○A81.19.145.752018-08-08 → 2018-08-08 · 4 obs

○ 2017-01-05 00:56:14
● 2018-08-08 11:57:42
○ 2026-02-25 22:57:50
○ 2026-02-25 22:57:52

○A81.19.154.982017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:56:14
○ 2018-08-08 11:57:42
○ 2026-02-25 22:57:52

●A81.19.159.552026-02-25 → 2026-02-25 · 3 obs

○ 2018-08-08 11:57:42
● 2026-02-25 22:57:50
● 2026-02-25 22:57:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
quadratool.com	ns1.world4you.at, ns2.world4you.at	-

✅ Authoritative Response

Server: 217.160.82.253

NS records: ns1.world4you.at, ns2.world4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quadratool.com (unsigned zone)

⏱️ Timing

Total: 920ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.159.55`
NS	2	`ns1.world4you.at, ns2.world4you.at`
MX	1	`quadratool-com.mail.protection.outlook.c`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.world4you.at hostmaster.world4you.co`