ifiber.dk

📜 Historical scan 2026-06-24 07:57:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ifiber.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 25 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.86 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ifiber-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.86	3600s	linux215.dandomain.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ifiber-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.18 52.101.73.24 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	93.191.158.86

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 525ms

TXT Record
google-site-verification=vOtTt50tC7LGnxMXtWWHnswGb64BZiM3aPgmzHBL560
MS=ms57615613
v=spf1 include:spf.protection.outlook.com ip4:152.115.197.66 ip4:194.182.42.154 include:spf.eu.exclaimer.net include:spf.dandomain.dk include:one.zoho.eu -all

✉️ SPF#

Policy	Record (ifiber.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:152.115.197.66 ip4:194.182.42.154 include:spf.eu.exclaimer.net include:spf.dandomain.dk include:one.zoho.eu -all

📨 DMARC#

Policy	Record (_dmarc.ifiber.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:dmarc@bittech.dk; fo=1

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 19:44:29

www	93.191.158.86 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ifiber.dk: 93.191.158.86 (AS48854) www.ifiber.dk: 93.191.158.86 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ifiber-dk._domainkey.ifiber2807.y-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

245ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

91ms

Field	Value
Serial	2026052902
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 08:40:16

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-02-25
Expires	2027-02-24 (128d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

89ms

90ms

AAAA

91ms

TXT

525ms

CAA

90ms

HTTPS

89ms

TLSA

4022ms

SOA

91ms

MTA-STS

113ms

DNSSEC

245ms

SRV

315ms

Total

4977ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:15:54	777ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 15:01:25	1799ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 04:26:42	1096ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:37:04	2232ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:31:25	737ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 07:57:55 shown	4977ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 12:05:32	1131ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:21:30	1717ms	2 NS 1 A 1 MX	🔒 Secure