`sfk.at`

DNSSEC	⚠️ Not signed
A	81.19.159.8^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
		PTR	`www8sni.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	`sfk-at.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms46166195`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:31.193.165.10 -all`
SOA	`ns1.world4you.at`hostmaster@world4you.com 2025-03-07 #32

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at`
	NS	`j.ns.at`
	NS	`n.ns.at`
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at`
	NS	`u.ns.at`
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1784264402

Subdomains

www.sfk.at

mail.sfk.at

Same first word

sfk.eu

sfk.nl

sfk.co.uk

sfk.kz

sfk.no

sfk.nu

sfk.com.hk

sfk.gg

sfk.su

sfk.cn

sfk.ch

sfk.sk

sfk.fi

sfk.lv

sfk.info

sfk.de

sfk.me.uk

sfk.com.tr

sfk.me

sfk.com

sfk.us

sfk.net

sfk.hu

sfk.online

sfk.or.jp

sfk.in

sfk.co.in

sfk.services

sfk.at

sfk.pl

sfk.se

sfk.cc

sfk.ca

sfk.fr

sfk.co.il

sfk.org

sfk.schule

sfk.is

sfk.be

sfk.ru

Similar names

fks.es

fks.sk

ksf.org.ua

skf.sg

fks.fi

fsk.si

kfs.dk

ksf.com.cn

fsk.sk

skf.com.br

fsk.org.ua

skf.us

skf.be

kfs.or.kr

fsk.fi

fks.cz

kfs.kiev.ua

skf.com.lv

ksf.org

kfs.ru

skf.pt

kfs.co

skf.si

kfs.com.mx

ksf.pl

fks.com

kfs.vn

skf.com.pk

kfs.name

fsk.be

kfs.co.kr

fsk.hu

kfs.com.tr

ksf.in

fsk.com.vn

fks.fr

ksf.com.pl

kfs.fr

skf.co.za

fsk.com.tr

fsk.pw

skf.co.kr

ksf.hu

skf.fo

kfs.co.th

skf.ca

skf.gr

fks.net

skf.it

skf.co.th

kfs.gr

fsk.in.ua

fsk.de

fsk.co.at

ksf.net.tw

fsk.fr

fsk.org

ksf.lu

ksf.ch

skf.de

skf.am

skf.sc

skf.by

ksf.com.gr

skf.sk

skf.berlin

fsk.cc

kfs.eu

kfs.bc.ca

kfs.systems

fsk.group

skf.me

fks.org.pl

skf.com.sg

skf.pl

skf.co.zm

fsk.co.kr

skf.co.rs

skf.vn

fsk.fo

skf.ru

skf.tt

skf.biz

skf.org

kfs.co.ke

DNS History

4 records (4 active, 0 former)

●NSns1.world4you.at2026-06-11 → 2026-07-17 · 2 obs

● 2026-06-11 17:41:42
● 2026-07-17 05:04:22

●NSns2.world4you.at2026-06-11 → 2026-07-17 · 2 obs

● 2026-06-11 17:41:42
● 2026-07-17 05:04:22

●MXsfk-at.mail.protection.outlook.com2026-06-11 → 2026-07-17 · 2 obs

● 2026-06-11 17:41:42
● 2026-07-17 05:04:22

●A81.19.159.82026-06-11 → 2026-07-17 · 2 obs

● 2026-06-11 17:41:42
● 2026-07-17 05:04:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	d.ns.at, j.ns.at, n.ns.at, r.ns.at...	-
sfk.at	ns1.world4you.at, ns2.world4you.at	-

✅ Authoritative Response

Server:185.132.32.253

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfk.at (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.159.8`
NS	2	`ns1.world4you.at, ns2.world4you.at`
MX	1	`sfk-at.mail.protection.outlook.com (pri:`
TXT	2	`MS=ms46166195, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.world4you.at hostmaster.world4you.co`

Analysis

Hierarchy

The parent domain of www.sfk.at and mail.sfk.at is sfk.at.

IP Addresses

sfk.at directs to one IP number, which is 81.19.159.8.

Among the host names that share IP numbers with sfk.at are villa-verde.at, humml.eu, fotoplutsch.at and two others.

Name Servers

DNS delegation for sfk.at points to two name servers: ns1.world4you.at and ns2.world4you.at.

sfk.at has the same name server delegation as a number of other domains, such as ubr.at, fotox.at, dr-eder.com and two more.

ns1.world4you.at directs to 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253. ns2.world4you.at directs to 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253. Each host name carries two IP addresses.

Mail Servers

sfk.at routes its mail through a single mail server, sfk-at.mail.protection.outlook.com.

sfk-at.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.3, 52.101.68.15 and 52.101.68.21, along with 5 other.

sfk.at - robtex.com

sfk.at

at

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`sfk.at`

`at`