fischerbyg.dk

📜 Historical scan 2026-09-20 02:28:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fischerbyg.dk is a .dk domain served by 2 nameservers (dylan.ns.cloudflare.com, sharon.ns.cloudflare.com). It was registered on 18 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.53.138 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by fischerbyg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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   54ms
NameserverIP addressesPTRASN / ISP
dylan.ns.cloudflare.com 108.162.195.187
162.159.44.187
172.64.35.187
2606:4700:58::a29f:2cbb
2803:f800:50::6ca2:c3bb
2a06:98c1:50::ac40:23bb		 dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sharon.ns.cloudflare.com 108.162.192.221
172.64.32.221
173.245.58.221
2606:4700:50::adf5:3add
2803:f800:50::6ca2:c0dd
2a06:98c1:50::ac40:20dd		 sharon.ns.cloudflare.com
sharon.ns.cloudflare.com
sharon.ns.cloudflare.com
sharon.ns.cloudflare.com
sharon.ns.cloudflare.com
sharon.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.53.138 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.213.99 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s fischerbyg-dk.mail.protection.outlook.com 2a01:111:f403:ca04::6
2a01:111:f403:ca04::a
2a01:111:f403:ca04::e
2a01:111:f403:ca3c::8
52.101.103.137
52.101.68.16
52.101.68.21
52.101.73.155		 mail-db4pr02cu00406.inbound.protection.outlook.com
mail-du0pr03cu00102.inbound.protection.outlook.com
mail-db8pr02cu00106.inbound.protection.outlook.com
mail-zrxpr05cu00100.inbound.protection.outlook.com
mail-miypr02cu00101.inbound.protection.outlook.com
mail-db4pr02cu00400.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-am7pr02cu00203.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#

ServiceCNAME / IP
🔷 Autodiscover104.21.53.138

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:358a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:d563 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   42ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.53.138,172.67.213.99 ech=AEX+DQBBqwAgACBXIxxyDyeCJqpAwWp1vMfdfbC3jaw3ypNCYdJ3rxq3PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:358a,2606:4700:3034::ac43:d563

📝 TXT Records#

3 records   161ms
TXT Record
autodiscover.outlook.com
MS=ms53282854
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (fischerbyg.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 09:03:43
www104.21.53.138 172.67.213.99 2606:4700:3033::6815:358a 2606:4700:3034::ac43:d563 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415237023
Primary NS (MNAME)dylan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 03:50:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-01-18
Expires2027-01-31 (106d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
32ms
MX
36ms
AAAA
36ms
TXT
161ms
CAA
36ms
HTTPS
42ms
TLSA
921ms
SOA
0ms
MTA-STS
57ms
DNSSEC
108ms
SRV
60ms
Total
3515ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 09:03:43 3242ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-05 03:30:36 1240ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-03 03:00:14 1351ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-02 09:45:06 857ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-01 07:05:31 1210ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 22:37:21 1411ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-25 09:13:11 1844ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-20 02:28:39 shown 3515ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-15 19:17:17 1870ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-26 13:21:38 813ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-10 00:30:18 5968ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-04 16:41:13 1864ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-18 07:05:06 5292ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-10 20:30:48 1434ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-02 10:30:54 2306ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-17 10:12:10 1489ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-17 10:05:43 7101ms 2 NS 2 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone