`sff.ch`

DNSSEC	⚠️ Not signed
A	212.243.197.115^{🇨🇭 SWISSCOM212.243.0.0/16 Swisscom AG Provider}
NS	`ch.ch-inter.net` ⭐
		A	2a00:1128:1:1::136:136^{🇨🇭 ASN-METANET2a00:1128::/32 METANET AG, Switzerland IPv6 Allocation}
			PTR	`ch.ch-inter.net`
		A	80.74.136.136^{🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, part of group.one}
			PTR	`ch.ch-inter.net`
NS	`de.ch-inter.net`
		A	2a01:4f8:221:2982::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`de.ch-inter.net`
		A	78.46.32.78^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`de.ch-inter.net`
NS	`nl.ch-inter.net`
		A	2001:1af8:4100:a012:1:0:66:135^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
			PTR	`nl.ch-inter.net`
		A	62.212.66.135^{🇳🇱 LEASEWEB-NL-AMS-0162.212.64.0/19 LEASEWEB}
			PTR	`nl.ch-inter.net`
MX	`sff-ch.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca3c::^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrap278cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrzp278cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::2^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zr1p278cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3e::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
		A	52.101.185.12^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrap278cu00304.inbound.protection.outlook.com`
		A	52.101.185.13^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrzp278cu00205.inbound.protection.outlook.com`
		A	52.101.185.14^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zr1p278cu00206.inbound.protection.outlook.com`
		A	52.101.187.1^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
TXT	`MS=ms18847777`
TXT	`v=spf1 a mx ip4:77.109.139.115 ip4:77.109.139.114 ip4:212.243.197.30 ip4:212....`
TXT	`ppe-b32d1e57f8e14f48dde9ffae8d7cab6d0cb69642`
SOA	`ch.ch-inter.net`metanet@beeline.ch 2025-07-18 #1

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-07-29 #11

Same first word

sff.de

sff.nl

sff.tv

sff.info

sff.org.ru

sff.nu

sff.cc

sff.cn

sff.ie

sff.network

sff.co.jp

sff.co.uk

sff.org

sff.dk

sff.fi

sff.org.au

sff.ba

sff.or.kr

sff.sa

sff.cz

sff.be

sff.gov.sa

sff.cl

sff.eu

sff.a.se

sff.us

sff.name

sff.com

sff.pt

sff.vc

sff.io

sff.lu

sff.media

sff.me

sff.at

sff.com.au

sff.is

sff.mx

sff.in.ua

sff.no

sff.net

sff.jp

sff.or.jp

sff.ch

sff.gr

sff.se

sff.in

sff.hu

sff.ru

sff.it

Similar names

fsf.co.uk

ffs.info

fsf.at

ffs.bz

ffs.sumy.ua

ffs.mobi

ffs.or.at

ffs.community

ffs.me

fsf.nl

ffs.ir

fsf.biz

ffs.hu

ffs.ca

fsf.org.in

ffs.ru

ffs.be

ffs.fail

ffs.cc

ffs.gg

ffs.org.uk

ffs.biz

ffs.co.jp

ffs.net.nz

fsf.cl

ffs.co.uk

ffs.net

ffs.se

fsf.asia

fsf.ro

ffs.com.br

ffs.edu.vn

ffs.com.my

ffs.fr

fsf.jp

ffs.su

fsf.org

fsf.st

fsf.info

fsf.zone

ffs.ie

ffs.at

ffs.cl

fsf.in

ffs.insure

ffs.lt

fsf.gay

fsf.com.mx

fsf.no

fsf.com.fj

fsf.co.jp

fsf.net

ffs.dz

ffs.es

ffs.ng

ffs.rs

ffs.life

fsf.dk

fsf.cc

fsf.se

ffs.builders

ffs.fo

fsf.de

fsf.org.uk

ffs.eu

ffs.it

fsf.edu.br

ffs.co.za

DNS History

10 records (5 active, 5 former)

●NSch.ch-inter.net2026-06-13 → 2026-07-29 · 3 obs

○ 2021-01-17 06:38:48
● 2026-06-13 06:32:52
● 2026-07-29 04:00:54

●NSde.ch-inter.net2026-06-13 → 2026-07-29 · 3 obs

○ 2021-01-17 06:38:48
● 2026-06-13 06:32:52
● 2026-07-29 04:00:54

●NSnl.ch-inter.net2026-06-13 → 2026-07-29 · 3 obs

○ 2021-01-17 06:38:48
● 2026-06-13 06:32:52
● 2026-07-29 04:00:54

○NSns1.netzone.ch2018-05-17 → 2021-01-17 · 4 obs

● 2018-05-17 03:10:32
● 2021-01-17 06:38:48
○ 2026-06-13 06:32:52
○ 2026-07-29 04:00:54

○NSns2.netzone.ch2018-05-17 → 2021-01-17 · 4 obs

● 2018-05-17 03:10:32
● 2021-01-17 06:38:48
○ 2026-06-13 06:32:52
○ 2026-07-29 04:00:54

○NSns3.netzone.ch2018-05-17 → 2021-01-17 · 4 obs

● 2018-05-17 03:10:32
● 2021-01-17 06:38:48
○ 2026-06-13 06:32:52
○ 2026-07-29 04:00:54

○MXmailfilter.beeline.ch2018-05-17 → 2021-01-17 · 4 obs

● 2018-05-17 03:10:32
● 2021-01-17 06:38:48
○ 2026-06-13 06:32:52
○ 2026-07-29 04:00:54

●MXsff-ch.mail.protection.outlook.com2026-06-13 → 2026-07-29 · 3 obs

○ 2021-01-17 06:38:48
● 2026-06-13 06:32:52
● 2026-07-29 04:00:54

●A212.243.197.1152021-01-17 → 2026-07-29 · 3 obs

○ 2018-05-17 03:10:32
● 2021-01-17 06:38:48
● 2026-07-29 04:00:54

○A212.243.197.1242018-05-17 → 2018-05-17 · 3 obs

● 2018-05-17 03:10:32
○ 2021-01-17 06:38:48
○ 2026-07-29 04:00:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
sff.ch	ch.ch-inter.net, de.ch-inter.net, nl.ch-inter.net	-

✅ Authoritative Response

Server:62.212.66.135

NS records: ch.ch-inter.net, de.ch-inter.net, nl.ch-inter.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sff.ch (unsigned zone)

⏱️ Timing

Total: 1005ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.243.197.115`
NS	3	`ch.ch-inter.net, nl.ch-inter.net...`
MX	1	`sff-ch.mail.protection.outlook.com (pri:`
TXT	3	`MS=ms18847777, ppe-b32d1e57f8e14f48dde9ffae8d7cab6d0cb6...`
SOA	1	`ch.ch-inter.net metanet.beeline.ch`

Analysis

IP Addresses

sff.ch directs to one IP number, which is 212.243.197.115.

Among the host names that share IP numbers with sff.ch are www.orthema.com, sofreeso.com, lanathalie.ch and two others.

Name Servers

sff.ch has three name servers — ch.ch-inter.net, de.ch-inter.net and nl.ch-inter.net.

sff.ch shares at least some of its name servers with other domains, including centovalli.ch, alarmierung.ch, atramexthedra.ch and two others.

These name servers are frequently seen alongside the name servers dns4.digicomp.ch.

Each of ch.ch-inter.net, de.ch-inter.net and nl.ch-inter.net points to two IP numbers. ch.ch-inter.net points to 80.74.136.136 and 2a00:1128:1:1::136:136. de.ch-inter.net points to 78.46.32.78 and 2a01:4f8:221:2982::2. nl.ch-inter.net points to 62.212.66.135 and 2001:1af8:4100:a012:1:0:66:135.

Mail Servers

sff.ch routes its mail through a single mail server, sff-ch.mail.protection.outlook.com.

sff-ch.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.185.12, 52.101.185.13 and 52.101.185.14, along with 5 other.

sff.ch - robtex.com

sff.ch

ch

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`sff.ch`

`ch`